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it在強(qiáng)調(diào)句中的使用

先看看這道題：

__________ these boys that played tricks on their teachers.

A. They were                        B. It were                        C. There were                        D. It was

【分析】此題應(yīng)D。這是一個(gè)強(qiáng)調(diào)句型，其基本結(jié)構(gòu)為：

It is＋被強(qiáng)調(diào)部分＋that(who)＋其他

該句型應(yīng)注意以下幾點(diǎn)：

1. 不管被強(qiáng)調(diào)部分是單數(shù)還是復(fù)數(shù)，其前一律用It is / It was，而不能用They are / There were之類的。

2. 被強(qiáng)調(diào)部分是指人時(shí)，被強(qiáng)調(diào)部分后可用that / who，被強(qiáng)調(diào)部分指物時(shí)，被強(qiáng)調(diào)部分后只能用that。

3. 被強(qiáng)調(diào)部分是指時(shí)間或地點(diǎn)時(shí)，被強(qiáng)調(diào)部分后通常用that，一般不用when，where之類的。

It is I who am right. 是我對(duì)。

It was you that were wrong. 是你錯(cuò)了。

It was in the Japan that he died. 他是死于日本。

It was yesterday that he got married. 他是昨天結(jié)婚的。

It was a computer that he bought last week. 他上個(gè)星期買的是一臺(tái)電腦。

Where was it that she lived? 她是住在什么地方?

When was it that he left for Japan? 他是什么時(shí)候離開去日本的?

Who is it that teaches you English? 是誰教你們英語?