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初三英语必考知识点汇总

时间: 燕妮2 初三英语

  初三英语必考知识点汇总

  1.have sth. done.(过去分词)(让别人)做某事

  例如:I had my hair cut yesterday afternoon. 我昨天下午理了发。

  My computer can not work now. I must have it repaired. 我的电脑有故障了,我必须让人修好它。

  2.stop to do sth. 和stop doing sth.

  “stop to do sth.” 表示停止做其它事情而去做“to do sth.”所表示的事情,可以将“to do sth.”理解成“stop”的目的状语:“stop doing sth.”表示不做“doing sth.”所表示的事情。

  例如:“Stop talking. Let\\\\\\\\\\\\\\\'s begin our class.”said the teacher. 老师说:“别说话了,让我们开始上课。”

  We have kept doing our homework for a long time. Let\\\\\\\\\\\\\\\'s stop to listen to music. 我们做家庭作业很长时间了,让我们停下来听听音乐。

  3.forget to do sth.和forget doing sth. (remember to do sth. 和remember doing sth.)

  “forget to do sth.”表示将来不要忘记做某事,谈的是未来的事情:“forget doing sth.”表示忘记过去应该做的事情。

  例如:“Don\\\\\\\\\\\\\\\'t forget to do your homework.”said the teacher before the class was over.

  老师在下课前说:“不要忘记做家庭作业。”

  “I\\\\\\\\\\\\\\\'m sorry. I forgot doing my homework. May I hand it in this afternoon,Mr. Chen?”said Li Ming.

  李明说:“对不起,我忘记做家庭作业了。我今天下午交好吗,陈老师?”

  4. 感官动词后接不带to的不定式或者现在分词的区别

  例如:see sb. do sth.看见某人(经常)做某事 和see sb. doing sth.看见某人(正在)做某事

  I often see him do exercise in the morning. 我经常在早晨看见他锻炼身体。

  When I was walking in the park,I saw him drawing a picture there. 当我在公园散步的时候,我看见他正在那里画画。

  5. 介词后面一般接动名词。同学们要特别注意介词to和不定式符号to的区别,例如下面的词组一定要记清:

  prefer doing sth. to doing sth. 喜欢做……不喜欢做……

  look forward to doing sth. 期待/盼望做某事

  make a contribution to doing sth. 为……做出贡献

  6. 在主动语态中,感官动词(see,hear,feel,watch等)和使役动词(make,have,let等)要求接不带to的不定式做宾语补足语,而在被动语态里,不定式要带上to.

  例如:The boss often made the workers work 10 hours a day.

  The workers were made to work 10 hours a day.

  She was heard to use strong language. 听说她骂人了。

  7.常用的几个和不定式有关的句型:

  Why not do sth?为什么不做某事?

  It takes/took sb. some time to do sth. 做某事花了某人多长时间。

  It is/was +形容词+(for sb.)+to do sth. 做某事(对某人来说)怎么样。

  8. 现在分词和过去分词做定语的区别

  A. 现在分词含有正在进行的意思,而过去分词含有被动或者已经完成的意思,如:

  a developing country 发展中国家 a developed country 发达国家

  boiling water 正在沸腾的水(一般情况下水温为100℃) boiled water 开水(已经烧开的水,水温可以依然很高,也可以是凉白开)

  a boy named Jim 一个叫Jim的男孩

  B. 有些动词的现在分词和过去分词都具有形容词特征,但是它们的意思有区别。它们的-ing形式往往用来说明事物的特征;他们的-ed形式表示被动的意思,用来说明人的情况。

  I am interested in this interesting story. 我对这个有趣的故事感兴趣。

  I am moved at the moving sight. 我被这动人的情景感动了。

  They were amazed at the amazing facts. 他们对那些令人惊异的事实感到惊奇。

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