it is/ was/ were+ that…用法有哪些?

如题所述

1、It is the +序数词 time +从句的结构中,从句用现在完成时。It was the first time +从句的结构中,从句用过去完成时。没有别的时态。例如:It is the first time that Mr Smoth has visited China. 这是史密斯先生第一次到中国来游览。

2、句型中主句it 可以用this,that,序数词first也可根据句意改变其他序数词。例如:This is the third time that Mr Smoth has visited the Summer Palace. 这是史密斯先生第三次游览颐和园。

扩展资料:

it is …that…形式区分是主语从句还是强调句:

最简单的方法是将it is\was及that去掉,并且剩余的部分组织起来,句子仍然能够组成完整的表达,并且成立,那么即为强调句,如若不能,否则不是强调句。

例如:All the members held a meeting in the room yesterday.

1、(强调a meeting )It was a meeting that all the students held in the room yesterday.

2、(强调in the room )It was in the room that all the students held a meeting yesterday.

3、(强调yesterday)It was yesterday that all the students held a meeting in the room.

It 作形式主语代替主语从句,主要是为了平衡句子结构,它是形式的主语而不是主语从句。主语从句的连词保持不变。它指向的强调句强调句子的一部分,不管强调的是什么,它都可以用作连接词。

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