1 Keep 用作及物动词，意为“（暂时）保管、（暂时）存放、保存、保留”等，有时也可以表示“借”的意思。如：
Please keep the dictionary well. 请好好地保存这本词典。
2 keep 用作及物动词，意为“遵守（诺言、法律、条约等）、保守（秘密等）”如：
He is a man who always keeps his words. 他是一个说话算数的人。
3 keep 用作及物动词常用句型为“ keep 宾语 宾语补足语”，
意为“使……保持某种状态”，可分为以下三种情况：
keep 宾语 形容词 / 副词。如：
Please keep the door and window open. 请把门窗开着。
keep 宾语 介词短语。如：
Please keep your hands behind your back. 请把手放在背后。
Keep 宾语 V-ing 形式。如：
Don't keep them working day and night. 不要让他们不分白天黑夜的工作。
4含keep的常用句型
keep doing sth. 意为"继续干某事"，表示不间断地持续干某事，
keep后不能接不定式或表示静止状态的v-ing形式，而必须接延续性的动词。如：
The kept working all day, because he wanted to finish the work on time.
他整天都在不停地工作，因为他想准时完成工作。
keep passing the ball to each other, and you'll be ok.
坚持互相传球，你们就行。
keep on doing sth. 意为"持续做某事"。如：
The pupil kept on asking me the same question.
这个学生不断地问我同一个问题。
I kept on thinking about the match in the afternoon.
我总是想起下午的那场比赛。
keep...from doing sth.意为"阻止/防止……做某事"。如：
The heavy snow kept us from going out.大雪使我们不能出去。
5 keep 用作连系动词时，与后面的形容词构成系表结构，意为“保持某种状态”。如： You must look after yourself and keep healthy.
你一定要照顾自己，保持身体健康。
6 keep 用作不及物动词时，意为“保持（食物等）不坏、保持着某种状态”等。如：
Will this fish keep until tomorrow？ 这条鱼可以保存到明天吗？
7.与介词或副词搭配，构成动词短语
1.keep away from 使。。。避免接近。。。；使。。。。远离。。。如：
Would you keep your dog away from my boy, please?
请把狗拉得离我孩子远点好吗？
Keep everybody away from the accident.人人远离事故！
2.keep back意为"阻止；留在后面"。如：
She sat down quietly, but she couldn't keep
back her tears.她静静地坐下来，却忍不住流下了眼泪。
3.keep together意为"在一起；动作协调"。如：
Keep together, please.请聚在一起。
The eight men kept together during the boat race as though they were one.
赛船时，这8个人动作协调，好像一个人似的。
4.keep up意为"持续；使不低落"。如：
The noise kept up all night.噪音整夜持续着。
To keep your strength up, eat well and get enough sleep.
为了保持力气，要吃好、睡足。
5.keep up with意为"跟上；和……来往"。如：
I'm trying my best to keep up with the others in class.
我正在设法赶上班里的其他人。
Do you still keep up with Tom? 你和汤姆还有联系吗？
6.keep...in mind意为"把……记在心里"。如：
The teacher asked us to keep these sentences in mind.
老师要我们把这些句子记在心里。
7. keep。。。 down 压低声音，使缓和
8.keep...to oneself 把问题（烦恼）埋在心底，不向他人倾诉
经典考题：
1.Keep____to us or you'll lose the way.
A.closed B.closely C.closing D .close
2.：----How long can she （ ）the book？
----Two weeks.
A. borrow B.lend C.keep D.return
3. You'd better keep the door_______.It's hot in the room.
A.open B.opening C.opens D.opened
4. I'm sorry to keep you（ ） (wait) for a long time .
5. Do you believe that such a shirt can keep （ ）the sun ? （介词或副词填空）
6. 什么事也不能阻止我去学校。
Nothing can（ ） me（ ）（ ） to school .
7. 在公共场合，最好压低你的声音。
It's better to （ ）your voice（ ） in public places.
8. --What should I do ,doctor ?
--- （ ）healthy, you should take more exercise.
A. Keep B. Keeping C. To keep D. Having kept
Keys：
1. A （close这里用作形容词，作系动词keep的表语，意思是：距离近的。Keep close to us 与我们保持近距离。）
2. C 3. A 4. waiting
5. out
6. keep from going 7. keep down 8. C
