初中·課本中不會(huì)教你的 532　It's best to do sth., It's better to do sth. than和the best time to do sth.

532　It's best to do sth., It's better to do sth. than和the best time to do sth.

1　It's best to do sth. 意為“最好做某事”，這個(gè)句型中的it是形式主語，不定式to do sth.是真正主語，可以轉(zhuǎn)換為to do sth. is best結(jié)構(gòu)。

It's best to leave tomorrow. 最好明天就動(dòng)身 。

To leave tomorrow is best.

It's best to read the book again. 最好把這本書再讀一遍 。

To read the book again is best.

2　It's better to do sth. than to do sth. 意為“做什么比做什么好”。這種句型中的it也是形式主語，代替真正主語to do sth.，可以轉(zhuǎn)換為to do sth. is better than to do sth.。

It's better to borrow than to buy. 借比買好 。

To borrow is better than to buy .

It's better to stay here than to go there. 待在這里比去那里好 。

To stay here is better than to go there.

It's better to stay here than go there. （誤） （兩個(gè)不定式相比較，都應(yīng)該加to ）

3　the best time to do sth. 意為“做某事的最佳時(shí)候”，這種結(jié)構(gòu)中的不定式作定語，修飾the best time。不定式常用作后置定語。

The best time to come to Nanjing is in autumn. 來南京的最佳時(shí)間是秋天。

The best time to read English is in the morning. 讀英語的最佳時(shí)間是早晨。

He is the first man to climb up the mountain. 他是第一個(gè)爬上那座山的人。

She is the last to leave . 她是最后一個(gè)離開的人。