新概念英语第2册:Lesson59 In or out语法知识点

2018-05-23 16:29:18来源:网络

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新概念英语第2册:Lesson59 In or out语法知识点

  1.复习第50~58课语法

  He's having lunch , isn't he?

  他正在吃午饭,是不是?(现在进行时表示说话时正在进行的动作)

  Yes,he always has lunch at this time of the day.

  是的,他每天总是在这个时间吃午饭。(一般现在时表示习惯性动作)

  She's reading a book,isn't she?

  她正在读一本书,是不是?

  Yes,she's been reading the book all morning.

  是的。她整个上午一直在读这本书。(现在完成进行时强调动作的持续性)

  I was told that ships were built here.

  我听说这里造过船。(被动语态was told表示说话谨慎;从句中的一般过去时表示不知现在是否仍造船)

  They used to be built here,but they aren't any more.

  过去这里是造过船,但现在不造了。(used to表示过去有过但现在已终止的状态,强调过去与现在的对照,因此不可用would代替)

  You've taken your time! What on earth have you been doing?

  你可真够慢约!你到底一直在干什么?(on earth用于表示强调)

  I'm sorry.We got caught in astorm.

  对不起。我们遇上一暴风雨了。(在口语中get+过去分词相当于被动语态)

  2.表示目的的几种方式:to, in order to, so as to, so that, in order that

  (1)带to的不定式及其变体in order to和so as to 可以用来表示目的:

  I went to live in France to/in order to/so as to learn French.

  我去法国居住,以便学习法语。

  not to可以用于表示取舍:

  I went to France not to study French, but to study chemics.

  我去法国不是为了学法语,而是为了学化学。

  so as not to/in order not to可以用于表示“以防”:

  I shut the door quietly, so as not to/in order not to wake the baby.

  为了不惊醒婴儿,我轻轻地关上门。

  在bring, buy, need, take, use, want等动词后经常用宾语+不定式(而不用宾语+in order to/so as to),不定式表示用宾语的目的:

  I want something to drink.

  我想要一点喝的东西。

  I need a spoon to eat this ice cream with.

  我需要一把汤匙来吃这冰淇淋。

  Bring me a chair to sit on.

  给我拿一把椅子来坐。

  (2)连词 so that, in order that可以引导目的状语从句。当主句用一般现在时、现在完成时或一般将来时的时候,so that和 in order that后面可以跟may, can或will。so that比in order that更为普遍:

  I've arrived early so that/in order that I may/can/will get the tickets.

  我到得早,以便能买到票。

  当主句中的动词为一般过去时、过去进行时或过去完成时的时候, so that和in order that后面跟should, could, might或would:

  I arrived early so that/in order that I should/could/might/would get the tickets.

  (译文同上)

  so that和in order that后面的否定形式如下:

  I arrived early so that/in order that I might not miss anything.

  我到得很早,以免错过什么。(否定句中不可用could,可用should, would等)

  (3)相比之下,带to, so as to和 in order to的结构比带that的结构要简单、自然,所以多为人使用:

  I arrived early so as not to/in order not to miss anything.(译文同上)

  当前后主语不一致时,不定式前面加for+名词/代词比that结构更简洁:

  I bought a new car in order that/so that my wife might learn to drive.

  我买了一辆新车,以便我妻子学习驾驶。

  I bought a new car for my wife to learn to drive.

  (译文同上)

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