一、 翻译下列祈使句。
1. Be quiet! (保持安静!)
2. Don’t be late again. (不要再迟到了。)
3. Be careful! (小心!)
4. Come in, please! (请进来!)
5. Please open your books! (请翻开书!)
6. Let us help you. (让我们来帮你吧。)
7. NO PHOTOS! (禁止拍照!)
8. NO SMOKING! (禁止吸烟!)
二、 把下列句子改为祈使句。
1. You can not smoke here.
Don’t smoke here.
答案解析:否定句改为祈使句,将主语去掉,句首加上Don’t。
2. You can’t ride your bicycle here.
Don’t ride your bicycle here.
答案解析:否定句改为祈使句,将主语去掉,句首加上Don’t。
3. You may come and see.
Come and see.
答案解析:肯定句改为祈使句,将主语去掉即可。
4. You sit down,please.
Sit down,please.
答案解析:肯定句改为祈使句,将主语去掉即可。
5. You can’t put the book here.
Don’t put the book here.
答案解析:否定句改为祈使句,将主语去掉,句首加上Don’t。
6. You can’t cross the road.
Don’t cross the road.
答案解析:否定句改为祈使句,将主语去掉,句首加上Don’t。
7. You must not sleep in class.
Don’t sleep in class.
答案解析:否定句改为祈使句,将主语去掉,句首加上Don’t。
陈述句变否定句一、 把下列陈述句改为否定句。
1. We go to school on Sunday.
We don’t go to school on Sunday.
答案解析:陈述句改为否定句时,如果句中没有be动词,找主语,如果主语不是第三人称单数,时态是一般现在时,在主语后加don’t。
2. We’ll go to the park this afternoon.
We won’t go to the park this afternoon.
答案解析:陈述句改为否定句时,will的否定形式是won’t。
3. I am watching TV now.
I am not watching TV now.
答案解析:陈述句改为否定句时,当句中有be动词时,在be动词后not。
4. Jack’father is a teacher.
Jack’father isn’t a teacher.
答案解析:陈述句改为否定句时,当句中有be动词时,在be动词后not。
5. The dog runs fast.
The dog doesn’t run fast.
答案解析:陈述句改为否定句时,如果句中没有be动词,找主语,如果主语是第三人称单数,时态是一般现在时,主语后加doesn’t。
6. The baby can speak.
The baby can’t speak.
答案解析:陈述句改为否定句时,句中有can ,may等时,在主语后直接加not。
7. There is some water in the bottle.
There isn’t any water in the bottle.
答案解析:陈述句改为否定句时,当句中有be动词时,在be动词后not,some 要改为any。
8. Her mother works hard.
Her mother doesn’t work hard.
答案解析:陈述句改为否定句时,如果句中没有be动词,找主语,如果主语是第三人称单数,时态是一般现在时,主语后加doesn’t。
9. They like reading books.
They don’t like reading books.
答案解析:陈述句改为否定句时,如果句中没有be动词,找主语,如果主语不是第三人称单数,时态是一般现在时,在主语后加don’t。
10. We had lessons this morning.
We didn’t have lessons this morning.
答案解析:陈述句改为否定句时,如果句中没有be动词,找主语,如果主语不是第三人称单数,时态是一般过去时,在主语后加didn’t。
11. I have a doll.
I don’t have a doll.
答案解析:陈述句改为否定句时,如果句中没有be动词,找主语,如果主语不是第三人称单数,时态是一般现在时,在主语后加don’t。
12. It is a fish.
It isn’t a fish.
答案解析:陈述句改为否定句时,当句中有be动词时,在be动词后not。
13. They speak English.
They don’t speak English.
答案解析:陈述句改为否定句时,如果句中没有be动词,找主语,如果主语不是第三人称单数,时态是一般现在时,在主语后加don't。
14. She can clean the bedroom.
She can’t clean the bedroom.
答案解析:陈述句改为否定句时,句中有can ,may等时,在主语后直接加not。
15. I have some money in my pocket.
I don’t have any money in my pocket.
答案解析:陈述句改为否定句时,如果句中没有be动词,找主语,如果主语不是第三人称单数,时态是一般现在时,在主语后加don't,some要改成any。
否定句转肯定句一、 把下列否定句改为肯定句。
1. I can’t dance or sing.
I can dance and sing.
答案解析:否定句改为肯定句,如果有be动词或can,may的,直接把be动词或can,may后面的not去掉就可以了。
2. Her mother isn’t at home.
Her mother is at home.
答案解析:否定句改为肯定句,如果有be动词或can,may的,直接把be动词或can,may后面的not去掉就可以了。
3. Don’t turn off the light.
Turn off the light.
答案解析:否定句改为肯定句时,有助动词的否定形式don’t或doesn’t的,直接去掉,如果主语是第三人称单数,谓语也要改为第三人称单数形式。
4. We aren’t studying English.
We are studying English.
答案解析:否定句改为肯定句,如果有be动词或can,may的,直接把be动词或can,may后面的not去掉就可以了。
5. He doesn’ like swimming.
He likes swimming.
答案解析:否定句改为肯定句时,有助动词的否定形式don’t或doesn’t的,直接去掉,如果主语是第三人称单数,谓语也要改为第三人称单数形式。
6. They won’t go to the zoo next Sunday.
They will go to the zoo next Sunday.
答案解析:否定句改为肯定句,如果有be动词或can,may的,直接把be动词或can,may后面的not去掉就可以了。
7. We don’t have lunch at 12:00 every day.
We have lunch at 12:00 every day.
答案解析:否定句改为肯定句时,有助动词的否定形式don’t或doesn’t的,直接去掉,如果主语是第三人称单数,谓语也要改为第三人称单数形式。
8. The man isn’t walking in the street.
The man is walking in the street.
答案解析:否定句改为肯定句,如果有be动词或can,may的,直接把be动词或can,may后面的not去掉就可以了。
9. Tom doesn’t walk to school.
Tom walks to school.
答案解析:否定句改为肯定句时,有助动词的否定形式don’t或doesn’t的,直接去掉,如果主语是第三人称单数,谓语也要改为第三人称单数形式。
10. Mike isn’t a student.
Mike is a student.
答案解析:否定句改为肯定句,如果有be动词或can,may的,直接把be动词或can,may后面的not去掉就可以了。
11. They aren’t in the classroom.
They are in the classroom.
答案解析:否定句改为肯定句,如果有be动词或can,may的,直接把be动词或can,may后面的not去掉就可以了。
12. I don’t play the piano every day.
I play the piano every day.
答案解析:否定句改为肯定句时,有助动词的否定形式don’t或doesn’t的,直接去掉,如果主语是第三人称单数,谓语也要改为第三人称单数形式。
13. I won’t go to buy a story book.
I will go to buy a story book.
答案解析:否定句改为肯定句,如果有be动词或can,may的,直接把be动词或can,may后面的not去掉就可以了。
14. There aren’t any flowers in the vase.
There are some flowers in the vase.
答案解析:否定句改为肯定句,如果有be动词或can,may的,直接把be动词或can,may后面的not去掉就可以了。
15. I am not going to buy a car next month.
I am going to buy a car next month.
答案解析:否定句改为肯定句,如果有be动词或can,may的,直接把be动词或can,may后面的not去掉就可以了。
复数改单数一、 把下列复数句改为单数句。
1. There are five cakes to eat.
There is a cake to eat.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。are→is,five→a,cakes→cake
2. There are three apples on the table.
There is an apple on the table.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。are→is,three→an,apples→apple
3. There are some buses near the hill.
There is a bus near the hill.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。are→is,some→a,buses→bus
4. Are there any pandas in the zoo?
Is there a panda in the zoo?
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。are→is,any→a,pandas→panda
5. She has some Christmas cards.
She has a Christmas card.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。some→a,cards→card
6. There are four knives in the box.
There is a knife in the box.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。are→is,four→a,knives→knife
7. There are many classes in our school.
There is a class in our school.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。are→is,many→a,classes→class
8. The policewomen are walking in the street.
The policewoman is walking in the street.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。policewomen→policewoman,are→is
9. Those children watch TV at seven every day .
That child watches TV at seven every day.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。those→that,children→child,watch→watches(第三人称单数)
10. They are men cooks.
He is a man cook.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。They→he,are→is,men→man,cooks→cook
11. These flowers are beautiful.
This flower is beautiful.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。these→this,flowers→flower,are→is
12. These computers are my father’s.
This computer is my father’s.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。these→this,computers→computer,are→is
13. Those boats are on the river.
That boat is on the river.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。those→that,boats→boat,are→is
14. We have some eggs.
I have a egg.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。we→I,some→a,eggs→egg
15. They have some beautiful pictures.
He/She has a beautiful picture.
答案解析:复数句改为单数句,主要是将主语和谓语等对应改为单数就可以了。they→he/she,have→has(第三人称单数),some→a,pictures→picture