每天堅(jiān)持一點(diǎn)點(diǎn)，每天進(jìn)步一點(diǎn)點(diǎn)。

1.If + were/did (動(dòng)詞的過(guò)去式)，主語(yǔ)+would/might/should/could+do…

用法

該句型常用于表示對(duì)現(xiàn)在的情況的假設(shè)。

1)If I were you, I would not be so proud.

如果我是你，我不會(huì)如此自負(fù)。

2)I don't have a cellphone. If I had one, it would be convenient for me to get in touch with others.

我沒(méi)有手機(jī)， 如果有的話，和別人聯(lián)系就方便多了。

3)If I were in your position, I would think better of it.

如果我處在你的位置，我會(huì)重新考慮的。

2.If +had done, 主語(yǔ)+would/might/should/could + have done…

該句型用于表示對(duì)過(guò)去或已經(jīng)發(fā)生事情的虛擬假設(shè)。

1)What a pity it is that you didn't attend the concert yesterday! If you had attended the concert, you would have seen the famous singer.

真遺憾昨天你沒(méi)有去聽(tīng)音樂(lè)會(huì)！如果你去了，就能見(jiàn)到那位著名歌手了。

2)Anyone in this position would have done the same. If anyone had been in his position, he would have done the same. 任何處在他位置的人都會(huì)這樣做的。

3.If + were/did/were to do/ should do, 主語(yǔ)+ would/might/should/could +do…

該句型常用于表示對(duì)將來(lái)的假設(shè)。

1)If he should refuse (= if he were to refuse = if he refused), it did not matter at all.

萬(wàn)一他拒絕了，那也沒(méi)關(guān)系。

2)If you should not pass the college entrance examination, what would you do?

萬(wàn)一高考考不過(guò)，你該怎么辦？