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enough的用法

  肯定:need + to do sth

  否定:don’t / doesn’t /didn’t need + to do sth

  疑问:do +主语+ need to do sth?

  I need to consult a dictionary. 我需要查词典。

  Does she need to do the cooking? 她需要做饭吗?

  Yes, she does.是的,她需要做饭。

  No, she doesn’t.不,她不必做饭。

  She doesn’t need to do the cooking. 她不必做饭。

  2. need + 名词

  They need my love and care. 他们需要我的关爱。

  3. need doing 表示被动含义。

  The clothes need washing.这些衣服需要洗了。

  = The clothes need to be washed.

  三、用作名词

  We are in need of your help.我们需要你的帮助。

  A friend in need is a friend indeed. 患难见真情。

  There is no need to persuade him to follow my advice .没必要说服他采纳我的意见。

  There's no need for you to start yet. 你现在还不必动身

  There isn't much need for further research. 没有必要进一步的实验。

  satisfy /meet their needs满足他们的需要

prefer的用法

  prefer在英语中用作动词(verb)意思是更喜欢;宁愿, 后面可以接名词,不定式或者现在分词,也就是这样:

  prefer sth. to sth.

  prefer to do...

  prefer doing...

  栗子:I prefer a small city to a big one.

  I prefer to live in a tropical city. = I prefer living in a tropical city.

  还有一种常见的结构是:

  prefer to do.... rather than do...

  栗子: Miranda prefers to take a bus rather thanwalk .

  米兰达宁愿坐公交车,而不是走路。

  最后要介绍的是 would prefer 组合,缩写形式是(I`d prefer)

  我们可以用would prefer 表示某人在某种场景中想要(做)的事物。

  (At a party)

  "Would you prefer beer or juice?" "Beer, Please."

  在这个组合后面需要注意,我们只能接不定式,不用现在分词,像这样:

  I`dprefer to go to the library today

  rather thanstay at home.

  最后问问 :

  Which do you prefer, dogs or cats? Why?

  希望大家可以在生活中多多用到prefer这个词,以及它正确的表达方式哦~下次见~

while用法详解

  1

  while作名词:

  while作名词,作“一会儿”“一段时间”解。

  once in a while 偶尔

  Several years ago, Feng Jicai put down his pen for a while.

  几年前,冯骥才有段时间停止了写作。

  I’ll be backin a little while.

  我一会儿就回来。

  Coming to another country to study requires a big adjustment and it takes a while to fit it.

  来到另一个国家求学,需要花一段时间来适应。

  2

  while作连词:

  引导时间状语

  意思是“当...时候”

  We must strikewhile the iron is hot.

  趁热打铁。

  Mary watched TV while she ate her supper.玛丽边吃饭边看电视。

  While she was listening to the radio, she fell asleep. 她听着收音机睡着了。

  引导让步状语从句

  意思是“虽然…但是….”、“尽管…但是…” (多放于句首)

  While  I agree with your reasons, I can't allow it.

  尽管我同意你的理由,但我不能允许这样做。

  While  (he was) respected, he is not liked.

  他虽受人尊敬,但并不被人喜欢。

  引导条件状语

  意思是“只要”, 这时候while相当于 as long as

  There will be life while  there is water and air.

  =There will be life  as long as there is water and air.

  只要有空气和水,就有生命。

  3

  while作并列连词:

  while作并列连词时,前后分句有对比意味,表示句意的转折 ,作“而;却(whereas)”解。

  eg:

  Waving one’s hand is to say “Goodbye”. Nodding the head means agreement,while shaking it means disagreement.

  挥手表示再见,点头表示同意,而摇头表示不同意。