雅思語(yǔ)法在條件狀語(yǔ)從句的虛擬語(yǔ)氣是怎樣的

雅思語(yǔ)法|在條件狀語(yǔ)從句的虛擬語(yǔ)氣是怎樣的？，很多同學(xué)對(duì)于這個(gè)問(wèn)題有疑問(wèn)和不解，那么下面就跟著中國(guó)教育在線的小編詳細(xì)了解一下吧。

1. 用if條件從句表示的虛擬條件，是虛擬條件最普通的方式。

① 虛擬現(xiàn)在時(shí)表示與現(xiàn)在事實(shí)相反的假設(shè)，其if 從句的謂語(yǔ)形式用動(dòng)詞的過(guò)去式 (be 一般用were)，主句用would/ should/ could/ might +動(dòng)詞原形。

【句型結(jié)構(gòu)】

If I were , I would/should/could/might do.

【練習(xí)指導(dǎo)】

Q: How to dispose garbage?

A: You know sometimes, people would litter around because they couldnt find any trash can at hand. If I were in the position of my citys mayor, I would invest a large sum of the citys finance placing lots of trash bins along the roadside. Besides, I would carry out recycling programs and dispose of hazardous materials like batteries with far tougher standards. In a word, I think we just need to dispose of garbage in a safe and environmentally friendly manner.

② 虛擬過(guò)去時(shí)是表示與過(guò)去事實(shí)相反的假設(shè)，if 從句的謂語(yǔ)形式用過(guò)去完成時(shí)(即had+過(guò)去分詞)，主句用would / should / could / might + have +過(guò)去分詞。

【句型結(jié)構(gòu)】

If I had done before, I could have done.

【練習(xí)指導(dǎo)】

Q: Describe a place you want to visit

A: If I had got enough time and money three years ago, I could have traveled to Santorini which is one of the most luxurious destinations in Greece.

2. 除了表示虛假條件外，if從句還可以表示對(duì)將來(lái)的推測(cè)，由于是將來(lái)還沒(méi)有發(fā)生的，所以談不上是真實(shí)的還是虛假的，只能說(shuō)這個(gè)事情發(fā)生的可能性有多大。一般情況下，可以用陳述語(yǔ)氣的if從句來(lái)表示對(duì)一個(gè)未來(lái)事實(shí)的推測(cè)，這個(gè)事實(shí)是完全可能發(fā)生的。

【句型結(jié)構(gòu)】

If sb. were to / should + 動(dòng)詞原形，sb. would / should /could/ might +動(dòng)詞原形。

【練習(xí)指導(dǎo)】

Q: Will you buy perfume as a gift?

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