初三英语语法大全:Keep 用法解读
2015-04-03 10:50
来源:英语网
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二、用作连系动词
构成系表结构:keep+表语,意为"保持,继续(处于某种状态)"。其中表语可用形容词、副词、介词短语等充当。如:
You must look after yourself and keep healthy.(形容词)你必须照顾好自己,保持身体健康。
Keep off the grass.(副词)请勿践踏草地。
Traffic in Britain keeps to the left.(介词短语)英国的交通是靠左边行驶的。
注意:一般情况下,keep后接形容词较为多见。再如:
She knew she must keep calm.她知道她必须保持镇静。
Please keep silent in class.课堂上请保持安静。
三、与介词或副词搭配,构成动词短语
1.keep away意为"(使)离开;(使)不接近",其后常接介词from。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。
四、含keep的常用句型
1.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:
He 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。
2.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。
3. 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。
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