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初三英语语法大全:Keep 用法解读

英语网2015-04-03 10:50

  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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