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It's time to do sth.和 It's time for sb. to do sth.以及It's time for sth.这三个句型都可表示“是做某事的时候了”,但用法有所不同:
1.It's time to do sth.意为“是做某事的时候了”,但没有讲清楚是谁去做,如: It's time to go to school. (是上学的时候了。)
2.It's time for sb. to do sth.意为“是某人做某事的时候了”, for后面通常接一个表示人的词语,其后的不定式所表示的动作就是这个表示人的词语sb.发出的,如:
It's time for you to go to school.(是你上学的时候了。)
It's time for us to watch TV. (到了我们看电视的时候了。) 3.It's time for sth.也表示“是做某事的时候了”,但这个句型中介词for的后面只能是表示物的词语,说明所要做的事情,如:
It's time for class.(是上课的时候了。)
It's for school.(该上学了。)
注意:It's time to do sth. 和 It's time for sth.在一定条件下可互相转换。
It's time for supper.=It's time to have supper.(该吃晚饭了。) It's time for home.=It's time to go home. (该回家了。) (楚楚老师)
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