托福寫作中如何正確使用if語句

小編為大家整理了托福寫作中如何正確使用if語句，供大家參考，希望對大家的托福寫作備考有所幫助。

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

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……

或者撥打新通電話：0371-55637218、400-618-0272

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…..)

再多說一下，在寫托福作文的時(shí)候，希望大家舉例的時(shí)候能夠?qū)憣?shí)例，因?yàn)閷?shí)例有它的特指性和唯一行，當(dāng)然，如果實(shí)在你沒有經(jīng)歷過，在舉例虛擬一個(gè)場景的時(shí)候， if起頭，就不要弄錯(cuò)了.

關(guān)鍵詞：托福寫作備考  托福 寫作  

如果您對托�？荚囉腥魏我蓡�，歡迎撥打新通鄭州熱線電話0371-55637218、400-618-0272，或者，我們會(huì)有資深培訓(xùn)師為你一一解答。