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寫作基礎(chǔ)托福寫作練習(xí)之IF句式的使用

時(shí)間:2021-08-20 12:47:41 寫作基礎(chǔ) 我要投稿

【寫作基礎(chǔ)】托福寫作練習(xí)之IF句式的使用

  大家在舉例的時(shí)候常常會這么說“如果………”,”假設(shè)………..”,即if………

【寫作基礎(chǔ)】托福寫作練習(xí)之IF句式的使用

  先不說這種舉例的好還是壞,就本身的句子而言,很多都是有問題的。

  總結(jié)了一些if的用法,大家考前看看

  先看兩個(gè)托福作文例子:

  [Scenery]Sue has lost her watch. She think it may be at Ann’s house.

  SUE: I think I left my watch at your house. Have you seen it?

  (1) ANN: no, but I’ll have a look when I get home. If I find it, I’ll tell you.

  If I find…., I’ll……

 。2) Ann says: If I found a wallet in the street, I’d take it to the police.

  If I found……, I’d(=I would)……..(而不是if I find, I’ll…..)

  這里兩個(gè)句子有著不同的意思,前者表示Ann覺得她有找到手表的真實(shí)可能性.因此才說if I find….., I’ll…..

  而后者是完全不同的情況.在這里Ann沒有考慮真實(shí)的'可能性;她在虛擬這一個(gè)托福 作文 情景,并不認(rèn)為真的可以在街上揀到手表.于是才說:if I found……,I’d……

  if I do……….和if I did………的區(qū)別

  用if+過去式(if I found / if you were / if we didn’t等)表示虛擬的事情,而不是指過去時(shí)間發(fā)生的事情:

  What would you do if you won a million pounds?

  I don’t really want to go to their party, but I probably will go. They’d be offended if I didn’t go

  Sarah has decided not to apply for the job. She isn’t really qualified for it, so she probably wouldn’t get it if she applied.

  If從句中一般不用would:

  I’d be very frightened if somebody pointed a gun at me.(而非if somebody would point)

  If I didn’t go to their party, they’d be offended(而非if I wouldn’t go)

  If …….would可以表示用來請求某人做某事:

  I would be grateful if you would send me your brochure as soon as possible.

  “Shall I close the door?” “yes, please, If you would.”

  Would(‘d) / wouldn’t用于句子的主句(不是if從句)

  If you took more exercise, you’d (=you would) probably feel healthier.

  Would you mind if I used your phone?

  I’m not tired enough to go to bed yet. I wouldn’t sleep.

  另外,if引導(dǎo)的條件句也能引起倒裝,如果要是在作文里用到,也是一個(gè)加分點(diǎn):

  先看正常語序。

  It would be a serious setback, if the talks were to fail.

  If you should need more information, please telephone our main office.

  If Alex had asked, I would have been able to help.

  倒裝是要省略if

  it would be a serious setback, were the talks to fail.

  Should you need more information, please telephone our main office.

  Had Alex asked, I would have been able to help

  倒裝句比if-從句更加正式。

  但是在否定句里面,不可以用縮寫。

  e.g.

  Had he not resigned, we should have been forced to sack him(不用hadn’t he…..)

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