第 份
初中语法讲义一般过去时 年 月 日 |
第12章 动词的一般过去时
动词的一般过去时主要表达过去的动作或状态,在句子中由“主语 动词的过去式”来表达(“动词的过去式”就是叙述过去事情的动词形式,构成参见(第9章 动词概说))。本章分别讲解be动词的过去时和行为动词的过去时,并具体讲解动词一般过去时的一些基本用法。
典型例句:1.He walks to school.(他(现在经常)步行上学。)
典型例句:2.He walked to school.(他步行去上学了。)
说明:典型例句1中的动词walks是现在式,表示目前习惯性、经常性的动作;典型例句2中的动词walked是过去式,叙述过去发生过的事情。
1.be动词的一般过去时
be动词(am/is/are)的一般现在时和一般过去时,请看下表:
时态 主语 | 一般现在时 | 一般过去时 |
I(第一人称单数) | am | was |
he,she,it(第三人称单数) | is | was |
you(第二人称单、复数) | are | were |
we,they(第一、三人称复数) | are | were |
be动词过去时的基本句型如下:
肯定句:主语 be动词的过去式(was/were) ……
否定句:主语 be动词的过去式(was/were) not ……
一般疑问句:be动词的过去式(Was/Were) 主语 ……?
特殊疑问句:疑问词 一般疑问句?
I was busy yesterday.(我昨天很忙。)(肯定句)
He was busy yesterday.(他昨天很忙。)(肯定句)
We were busy bus yesterday.(我们昨天很忙。)(肯定句)
He was not busy yesterday.(他昨天不忙。)(否定句)
We were not busy bus yesterday.(我们昨天不忙。)(否定句)
Was he busy yesterday?(他昨天忙吗?)(一般疑问句)
Were you busy yesterday?(你昨天忙吗?)(一般疑问句)
Why was he busy yesterday?(他昨天为什么忙?)(特殊疑问句)
Why were you busy yesterday?(你昨天为什么忙?)(特殊疑问句)
1.be动词一般过去时的肯定句
句型:主语 be动词的过去式(was/were) ……
Mike was in the United States last year.(迈克去年在美国。)
I was very tired last night.(我昨天晚上很累。)
Carl was a teacher.(卡尔以前是个老师。)
Charles was an engineer.(查尔斯以前是个工程师。)
You were absent from school two days ago.(两天前你没到校。)
补充:There is/are...句型用于一般过去时,需把is,are变为它们的过去式:There was/were...
2.be动词一般过去时的否定句
句型:主语 be动词的过去式(was/were) not ……
be动词一般过去时否定句的结构和一般现在时一样,只要在be动词的过去式(was/were)后面加上not就可以了。
Gary was not in Canada last year.(加里去年不在加拿大。)
I wasn’t busy the other day.(前几天我不忙。)
Mike wasn’t at school.(迈克不在学校。)
Dogs weren’t in the park.(小狗们没在公园里。)
There weren’t any boys in the room.(房间里一个男孩也没有。)
They weren’t Germans.(他们不是德国人。)
Mr.Robert wasn’t angry with his son’s fault.(罗伯特先生没有为他儿子的失误生气。)
说明:否定式的was not,were not大多使用缩写形式wasn’t读作[ˈwəznt]和weren’t读作[wəːnt]。
3.be动词一般过去时的一般疑问句
句型:be动词的过去式(Was/Were) 主语 ……?
be动词一般过去时一般疑问句的结构和一般现在时一样,只要把be动词的过去式(was/were)调到主语前面即可。回答Was/Were 主语 ……?句型时,需用“Yes,...was/were.”或“No,...wasn’t/weren’t.”。
A:Was she a teacher?(她以前是个老师吗?) B:Yes,she was.(是的,她是。)
A:Were they doctors?(他们以前是医生吗?) B:Yes,they were.(是的,他们是。)
A:Was your father free this morning?(今天上午你爸有空吗?)
B:No,he wasn’t.(不,他没空。)
A:Were they present at the meeting?(他们出席会议了吗?)
B:Yes,they were.(是的,他们出席了。)
A:Was there a grocery store near here?(以前这里附近有杂货店吗?)
B:Yes,there was.(是的,以前有。)
A:Were they in the garden?(他们在花园里吗?) B:No,they weren’t.(不,他们不在。)
4.be动词一般过去时的特殊疑问句
句型:疑问词 一般疑问句?
be动词一般过去时特殊疑问句的结构和一般现在时一样,只需将疑问词放在句首,后面跟一般疑问句即可。回答特殊疑问句时不用yes或no,而是需要直接回答所问的问题。
A:Where was Cecilia last year?(去年塞西莉亚在哪儿?)
B:She was in Shanghai.(她在上海。)
A:Where were you yesterday morning?(你昨天上午在哪儿呢?)
B:I was at school.(我在学校。)
A:What was there in the suitcase then?(那时旅行箱里有什么?)
B:There was a laptop,a cell phone and a PSP.
(有一台笔记本电脑,一部手机和一个PSP游戏机。)
be动词一般现在时句型和一般过去时句型的比较(以he为主语)
时态 句型 | 一般现在时 | 一般过去时 |
肯定句 | He is... | He was... |
否定句 | He isn’t... | He wasn’t... |
一般疑问句 | Is he...? | Was he...? |
特殊疑问句 | 疑问词 is he...? | 疑问词 was he...? |
2.行为动词的一般过去时
be动词的过去式为was和were,而行为动词的过去式一般是在动词后加-ed,我们把这类动词称为规则动词。在加-ed时,不同的规则动词在形式上还会有不同的变化规律。
行为动词一般过去时的基本句型如下:
肯定句:主语 动词的过去式 ……
否定句:主语 did not 动词原形 ……
一般疑问句:Did 主语 动词原形 ……?
特殊疑问句:疑问词 一般疑问句?
He played tennis last week.(他上周打网球了。)(肯定句)
He did not play tennis last week.(上周他没打网球。)(否定句)
Did he play tennis last week?(上周他打网球了吗?)(一般疑问句)
Where did he play tennis last week?(上周他在哪儿打网球?)(特殊疑问句)
重要:last可和表示时间的名词连用:last night昨夜;last week上周;last month上个月;last year去年;last Monday上周一
1.行为动词一般过去时的肯定句
句型:主语 动词的过去式 ……
行为动词的一般过去时没有人称和数的变化。主语即使是第三人称单数,谓语动词也和其他人称形式一样。
He had a good time yesterday.(昨天他过得很高兴。)
I saw a film last week.(上周我看了一部电影。)
She studied Korean two years ago.(两年前她学的韩语。)
We said goodbye to Roger at five.(5点钟时,我们和罗杰告别。)
Walter found an amusing book.(沃尔特找到一本有趣的书。)
William rushed into the room.(威廉冲进了房间。)
注意:注意不规则动词的时态变化。务必熟记下述动词的原形和过去式。(更多不规则动词的变化参见(第9章 动词概说))
read[ri:d]→read[red] | say→said | know→knew | put→put |
go→went | get→got | have→had | see→saw |
take→took | do→did | come→came | find→found |
2.行为动词一般过去时的否定句
句型:主语 did not 动词原形 ……
行为动词一般过去时否定句的结构和一般现在时否定句的结构一样,不论主语是第几人称,是单数还是复数,在主语后面加上did not(而不是do not或does not)就可以了。否定式did not常用缩写形式didn’t,读作[ˈdɪdnt]。
We did not have a good time yesterday.(昨天我们过得不好。)
Andrew didn’t have classes this morning.(今天上午安德鲁没课。)
I didn’t work overtime yesterday.(我昨天没有加班。)
You didn’t do your best to do it.(你没有尽力去做。)
Brant didn’t do his homework.(布兰特没做作业。)
3.行为动词一般过去时的一般疑问句
句型:Did 主语 动词原形 ……?
行为动词一般过去时一般疑问句的结构和一般现在时一般疑问句的结构一样,无论主语是第几人称,是单数还是复数,在主语前面加上Did即可。
A:Did he go there?(他去那儿了吗?)
B:Yes,he did./No,he didn’t.(是的,他去了。/不,他没去。)
A:Did you telephone your uncle yesterday?(你昨天给你叔叔打电话了吗?)
说明:在过去时的一般疑问句中,因为句首用了Did,谓语动词要用原形。
B:Yes,I did.(是的,我打了。)/No,I didn’t.(不,我没打。)
4.行为动词一般过去时的特殊疑问句
句型:疑问词 一般疑问句?
行为动词一般过去时特殊疑问句的结构和一般现在时一样,只需将疑问词放在句首,后面跟一般疑问句即可。
A:How many subjects did you study last term?(上学期你们学习了几门课?)
比较:subject和lesson的区别
表示具体的科目、学科,不能用lesson,而要用subject。
表示教材上的第几课,要用lesson,如:Lesson 2。
B:We studied seven subjects.(我们学习了7门课。)
A:When did you get up this morning?(今天早晨你几点钟起床的?)
B:At six.(6点钟。)
A:Where did you download these listening materials?(你从哪儿下载的这些听力资料?)
B:I downloaded them from the English website of 21st Century.
(我从21世纪英语网站上下载的。)
行为动词一般现在时句型和一般过去时句型的比较(以go为例):
时态 句型 | 一般现在时 | 一般过去时 |
肯定句 | I go... He goes... | I went... He went... |
否定句 | I don’t go... He doesn’t go... | I didn’t go... He didn’t go... |
一般疑问句 | Do you go...? Does he go...? | Did you go...? Did he go...? |
特殊疑问句 | 疑问词 do you...? 疑问词 does he...? | 疑问词 did you...? 疑问词 did he...? |
3.一般过去时的基本用法
1.表示在过去某一时间内发生的动作或情况
(1)带有确定的过去时间状语时
以下的过去时间状语常用于一般过去时的句子中。
yesterday昨天 | two weeks ago两周前 | last year去年 | the other day前几天 |
once upon a time很久以前 | just now刚才 | ||
in the old days过去的日子里 | when I was eight years old当我8岁时 |
I went to school on foot yesterday.(我昨天是步行去的学校。)
Did you travel to Hong Kong the other day?(前几天,你们去香港旅游了吗?)
He left just now.(他刚刚离开。)
Lei Feng was a good solider.(雷锋是个好战士。)
Thomas Edison was one of the world’s leading inventors.
(托马斯·爱迪生是世界一流的发明家。)
补充:在谈到历史人物或已去世的人物的情况时,多用过去时。
(2)没有确定的过去时间状语时
有些句子虽然没有表示过去时间的状语,但实际上是指过去发生的动作或存在的状态,也要用一般过去时。
I thought you were ill.(我以为你病了呢。)
(这句话说明在说话之前我以为你病了,但是现在我知道你没有病)
I thought you wanted to have some cakes.(我以为你想要吃一些蛋糕。)
(用过去时作试探性的询句、请求、建议等)
2.表示过去一段时间内经常或反复发生的动作
一般过去时还表示过去的习惯或反复发生的动作,过去持续了一段时间的行为或过去曾经存在过的状态,常与always(总是),never(从不)等连用。
She always carried an umbrella.(她过去总是带着一把伞。)
(只是说明她过去的动作,不表明她现在是否常带着一把伞)
She always carries an umbrella.(她老是带着一把伞。)
(说明这是她的习惯,表明她现在仍然习惯总带着一把伞)
I never drank alcohol.(我以前从不喝酒。)
(不涉及现在,不说明现在是否喝酒)
3.表示过去连续发生的动作
当表示过去连续发生的动作时,往往没有表示过去的时间状语,要通过上下文来判定是否用一般过去时。
The boy opened his eyes for a moment,looked at the captain,and then died.
(那男孩的眼睛张开了一会儿,看看船长,然后就死了。)
(open,look和die是在过去连续发生的三个动作,所以都要用过去时)
Joe was late.He dressed himself quickly,rushed out of the house and ran to the school.
(乔起晚了。他迅速穿上衣服,冲出家门,向学校跑去。)
4.用于虚拟语气,可指现在或将来的情况
Would you try it again if you had a second chance?(如果还有一次机会,你想再试一次吗?)
If I were you,I would do it in another way.(如果我是你,我会用另一种方式做。)
5.如果强调已经终止的习惯时要用used to
Paul used to drink.(保罗过去经常喝酒。)
(意味着他现在不喝酒了,喝酒这个动作终止了)
I used to take a walk after supper.(我过去总是在晚饭后散步。)
(意味着我现在不在晚饭后散步了)
I used to enjoy gardening,but I don’t like it any more.
(以前我很喜欢园艺,但现在一点儿也不喜欢。)
He didn’t use to smoke.(以前他不常抽烟。)(否定句)
A:Did he use to smoke?(以前他常抽烟吗?)(一般疑问句)
B:Yes,he did.(是的,他常抽。)/No,he didn’t.(不,他不常抽。)
补充:used not=usedn’t[ˈju:snt]
He used not to smoke.(他过去不抽烟。)
Used he to smoke?(他过去抽烟吗?)
比较:used to和would的区别
used to表示过去常做而现在已终止(不做)的动作,强调与现在的关系;而would只说明过去的动作习惯,和现在没关系,这个动作现在也许终止,也许还在继续。
He would take a walk after supper.(他过去总是在晚饭后散步。)
(和现在没关系,也许他现在还在晚饭后散步,也许不)
另外,used to不必带时间状语,而would是表示在过去某一段时间内的某种习惯做法,所以要带时间状语。
He used to drink a lot.(他过去总是喝很多酒。)
He would drink a lot when he was young.(他年轻时,很能喝酒。)
注意:辨别下面一组句子的正误。
Li Ming studied English this morning.
把一般过去时的肯定句变为一般疑问句:
→(⚪)Did Li Ming study English this morning?
(李明今天早晨学英语了吗?)
→(×)Did Li Ming studied English this morning?
(行为动词应该用原形)
→(×)Does Li Ming study English this morning?
(时态应该用原句子时态)
→(×)Was Li Ming studied English this morning?
(助动词应该用did,而行为动词应该用原形)
Common Mistakes(注意!失分陷阱!)
陷阱例题①
A:When __________ Jessy __________ to New York? B:Yesterday.【武汉中考】
A.does;get | B.did;get | C.has;got | D.had;got |
句意提示:A:杰西什么时候到的纽约?B:昨天。
陷阱追击:动词的一般过去时主要表示过去的动作或状态。如果没有掌握好一般过去时的疑问句结构,则容易误选。
正确解析:根据答语“yesterday(昨天)”可以判断应用一般过去时提问。一般过去时的疑问句结构,无论主语是第几人称,单数或复数,在主语前面加上did即可,且谓语动词要用原形。正确答案为B。
陷阱例题②
Edward,you play so well.But I __________ you played the piano.【海南中考】
A.didn’t know | B.hadn’t known | C.don’t know | D.haven’t known |
句意提示:爱德华,你弹得真好。但是我以前还不知道你弹钢琴呢。
陷阱追击:本题考查一般过去时的否定句。一般过去时否定句的基本句型是“主语 did not 动词原形 ……”。如果没有掌握好这一基本句型,则容易误选。
正确解析:根据句意可知,“不知道你弹钢琴”是过去的事,现在已经知道了,所以应该用一般过去时表达。正确答案为A。
陷阱例题③
It was great!I __________ many old friends at the party.【泸州中考】
A.meet | B.met | C.meeting |
句意提示:太棒了!我在那个聚会上遇到了许多老朋友。
陷阱追击:根据题干中出现的was可以判断应该用一般过去时。如果没有注意到这一关键提示点,则容易误选。
正确解析:动词一般过去时的肯定句型是“主语 动词的过去式 ……”。meet的过去式是met。正确答案为B。
陷阱例题④
The bus __________ suddenly when a group of students ran onto the road.【广州中考】
A.stops | B.stopped | C.has stopped | D.is stopping |
句意提示:当一群学生跑到马路上时,那辆公交车急刹车停了下来。
陷阱追击:如果没有注意到题干中的关键词ran(run的过去式),则容易误选。
正确解析:根据状语从句中的ran可以判断主句应该用一般过去时。正确答案为B。
Final Check(实力测验)
1.用括号中适当的词填空
1.I __________ (am,is,was,were) busy last week.
2.Ada and I __________ (am,are,was,were) late for school yesterday.
3.I __________ (walk,walks,walked,walking) to school the other day.
4.Rose __________ (does not,did not,has been,has to) visit her uncle the month before last (month).
5.There __________ (is,was,are,were) a lot of people in this village ten years ago.
6.Mother __________ (am,is,was,were) ill in bed last night.
7.It __________ (rain,rains,rained,raining) a lot last year.
2.用括号中动词的适当形式填空
1.How __________ (be) Jim’s weekend?It __________ (be not) bad.
2.My uncle in London __________ (send) a birthday present to me yesterday.
3.When __________ (be) you born?
4.As soon as he arrived in the country,he __________ (phone) me.
5.When I __________ (knock) at his door,he was cooking.
6.We were watching TV when the light __________ (go) out.
7.He said he __________ (not like) maths at all.
3.用适当的词完成下面句子
1.A:__________ you make this cake last night? B:Yes,I did.I __________ it for you.
2.A:Did Tom __________ home at five yesterday? B:No,he __________.He came home at six.
3.A:What __________ you __________ at the store? B:I bought a camera.
4.A:Were you at home yesterday? B:Yes,I __________.
5.A:Where did you catch the fish? B:I __________ it in the river near my house.
4.选择填空
1.He usually goes to school by bus,but yesterday he __________ a taxi.
A.takes | B.took | C.gets on | D.got on |
2.I __________ four books on Chinese history from our library.
A.borrow | B.borrowed | C.lend | D.lent |
3.You had your birthday party the other day,__________ you?
A.hadn’t | B.had | C.did | D.didn’t |
4.There were only a few vegetables left,__________ there?
A.were | B.weren’t | C.was | D.wasn’t |
5.I don’t think he __________ his best to do the job.
A.did | B.does | C.didn’t do | D.doesn’t do |
6.I __________ like pork,but now I like beef.
A.am used to | B.used to | C.use to | D.am |
7.There __________ a hotel at the foot of the hill.
A.is used to be | B.used to have | C.has | D.used to be |
8.It was warm,so I __________ my coat.
A.take off | B.take on | C.took of | D.put on |
9.The window was open and a bird __________ into the room.
A.flies | B.flys | C.flyed | D.flew |
10.Both my parents __________ born in Tianjin and I __________ born in Beijing.
A.are;am | B.was;were | C.were;was | D.did;did |
5.按要求变换句型
1.Xia Lin did some washing this morning.→(一般疑问句)
_______________________________________________________________________________
2.We visited our friends last night.→(对划线部分提问)
_______________________________________________________________________________
3.He had lunch at school every day last year.→(否定句)
_______________________________________________________________________________
4.My aunt visited our school then.→(对划线部分提问)
_______________________________________________________________________________
5.There was some ink in the bottle.→(对划线部分提问)
_______________________________________________________________________________
6.They didn’t like the city,either.→(变为肯定句)
_______________________________________________________________________________
7.I went to that city with my mother.→(变为否定句和一般疑问句并回答)
_______________________________________________________________________________
_______________________________________________________________________________
8.They had a lot of food.→(变为否定句和一般疑问句并回答)
_______________________________________________________________________________
_______________________________________________________________________________
9.There was some rain in the north last month.→(变为否定句和一般疑问句并回答)
_______________________________________________________________________________
_______________________________________________________________________________
10.I had some rice for dinner yesterday.→(对划线部分提问)
_______________________________________________________________________________
11.There were hundreds of students on the playground.→(对划线部分提问)
_______________________________________________________________________________
12.I lived in the countryside when I was a child.→(对划线部分提问)
_______________________________________________________________________________
13.I lived there for about ten years.→(对划线部分提问)
_______________________________________________________________________________
14.He left his hometown at the age of sixteen.→(对划线部分提问)
_______________________________________________________________________________
15.My parents traveled round by train.→(对划线部分提问)
_______________________________________________________________________________
16.There are three pieces of paper on the desk.→(对划线部分提问)
_______________________________________________________________________________
17.She had little food for her dinner.→(变为反意疑问句)
_______________________________________________________________________________
18.Mrs.Zhang looked well last week.→(变为否定句和一般疑问句并回答)
_______________________________________________________________________________
_______________________________________________________________________________
19.There used to be a lot of traffic on the road.→(变为否定句)
_______________________________________________________________________________
20.The street used to be dirty.→(变为否定句和一般疑问句并回答)
_______________________________________________________________________________
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6.根据中文提示完成下列句子
1.我度过了一个忙碌但却刺激的周末。
__________ __________ __________ __________ __________ exciting weekend.
2.萨拉喜欢看书。昨晚她看了一本地理方面的书籍。
Sarah likes __________ __________.She __________ a book __________ __________ last night.
3.彼得每天都练习弹吉他。可是昨天他没有练习。他为英语考试做准备了。
Peter __________ the guitar every day.But he __________ __________ yesterday.He __________ __________ the English test.
4.A:上周六他们做什么了?B:他们做作业和购物了。
A:What __________ they __________ __________ Saturday?
B:They __________ __________ homework and __________ __________.
5.为什么你昨晚没有看电视?
Why __________ you __________ TV last night?
6.他在打扫教室的时候,发现地上有个手机。
When he __________ the classroom,he __________ a cell phone on the floor.
【课后作业】
用所给动词的适当形式填空
1.Tom and Mary ___________ (come) to China last month.
2.Mike _________________(not go) to bed until 12 o’clock last night. So I _______ (get ) up late.
3.Mary __________ (read) English yesterday morning.
4.There _________ (be) no one here a moment ago.
5.I ___________ (call) Mike this morning.
6.I listened but ___________ (hear) nothing.
7.Tom ___________ (begin) to learn Chinese last year.
8.Last week we _________ (pick) many apples on the farm.
9.My mother ________________ (not do) housework yesterday.
10.She watches TV every evening. But she _______________ (not watch) TV last night.
11.________ your father ________ ( go ) to work every day last year?
12. —What time _______ you _______ (get) to Beijing yesterday?
—We __________ (get) to Beijing at 9:00 in the evening.
13.What __________ (make) him cry (哭) just now?
14.Last year the teacher ___________ (tell) us that the earth moves around the sun.
15.There ____________ a telephone call for you just now. (be)
16.There __________ not enough people to pick apples that day. ( be)
17.There _____________ any hospitals (医院) in my hometown (家乡) in 1940. ( be not)
18.There ____________ enough milk at home last week, wasn’t there?
19.Eli ____________ to Japan last week. ( move)
20. –When _______ you _________ (come) to China? - Last year.
21.Did she ________ (have) supper at home?
22.Jack ____________ (not clean) the room just now.
23._________ (be) it cold in your city yesterday?
24.How many people ________ (be) there in your class last term?
25.It ________ (be) hot yesterday and most children _______ (be) outside.
26. There ________ (be) a football match on TV yesterday evening, but I _________ (have) no time to watch it.
27. He ate some bread and _________ (drink) some milk.
28. ________ he __________ (finish) his homework last night?
29. I__________(be) tired yesterday.
30. I ___________(gain ) Arts degree last year.
31. What _________ you ___________ (do) last night?
32. My grandfather _________ (leave) Hong Kong for New York in 1998.
33. What _______ he ________ (do) yesterday?
34. Last week I _______ (buy) a new bike.
35. He ________ (be) here just now.
36. He __________ (not find ) his key last night.
37. My father __________ (drink) a lot of wine yesterday.
38. ________ you ________ (finish) your homework yesterday?
39. I ________ (eat) some eggs and bread this morning.
40. Her mother __________ (not give) the girl any present.
二、改错题
1.How is Jane yesterday? _____________________
2.He go to school by bus last week. ____________________________
3.He often goes home at 6:00 last month. ____________________________
4.I can fly kites seven years ago. ______________________________
5. Did you saw him just now. ____________________________________
6. Tom wasn’t watch TV last night. ____________________________________
7. I didn’t my homework yesterday. ____________________________________
8. He wait for you three hours ago. ____________________________________
9. Who find it just now ? ________________________________________
三、按要求变换句型。
1. Father bought me a new bike. (同义句)
Father bought _______ _______ ________ ________ me.
2. Frank read an interesting book about history. (一般疑问句)
_______ Frank _______ an interesting book about history?
3. He’s cleaning his rooms. (划线提问)________ he _______?
4. Why not go out for a walk? (同义句)
_______ ________ ________ out for a walk?
5. Thomas spent RMB 10 on this book. (否定句)
Thomas _______ _______ RMB 10 on this book.
6. My family went to the beach last week. (划线提问)
________ ________ ________ family _______ last week?
7. I didn’t have any friends. (一般疑问句)
________ _______ have _______ friends?
8. I think she is Lily’s sister. (否定句)____________________
9. Sally often does some reading in the morning. (否定句)
Sally _______ often ______ some reading in the morning.
10. He is a tall, thin boy. (划线提问)
_______ _______ he _______ ________?
四:句型转换
They read English last night.
否定句:__________________________________________
一般疑问句:________________________________________
肯定/否定回答:____________________________________
对划线部分提问:____________________________________