538　It's time to do sth., It's time for sth.，There is no time to do sth.和It is time +句子

1　It's time to do sth. 和 It's time for sth. 都表示“该到……的时候了”，for 后要接名词。

It's time to get down to business. 该是我们谈正事的时候了。

It's time to have supper. 该是吃晚饭的时候了 。

It's time for supper.

It's time to take a walk. 该是散步时候了 。

It's time for a walk.

2　如果要表示“该到某人做某事的时候了”，在不定式前面加上逻辑主语for sb.就可以 。

It's time for him to go to bed. 他该上床睡觉了。

It's time for us to have a rest. 我们该休息一下了。

提示

这种结构中的It is在口语中常常省略。

Time for class！上课时间到了！

Time for dinner！吃饭时间到了！

3　There is no time to do sth. 意为“没有时间做某事”。

There is no time to wash the clothes. 没有时间洗衣服。

There is no time to read the book. 没有时间读那本书。

4　It is time 后如果跟句子，要用虚拟语气。

It is (high/about) time we started out. 该是我们动身的时候了。

It is time we were going. 我们该走了。