【编者按】精品学习网英语四六级频道为大家收集整理了““It”的用法和“There be”结构”供大家参考，希望对大家有所帮助!
强调句型：It is (was) +被强调部分+ that (who) + 其它
强调
部分
例 句
说 明
主
语
It is I who am to blame. 是我该受责怪。
It was your uncle that (who) came yesterday.
昨天来的是你叔叔。
原句的谓语动词如果是现在或将来时态用It is …that(who)如果原句谓语动词是过去时态，则用It was…that(who)。在
宾
语
It was a new pen that Mother gave me .
母亲给我的是一支新钢笔。
强调时间，地点，原因或方式时不要用when, where, how, 必须用that。
地点
It was in the classroom that I left my umbrella.
我把雨伞就落在了教室里。
状
时间
It is at eleven that the train leaves.
火车是在十一点钟离开。
方式
It was just as he ordered that I acted.
我正是照他吩咐的那样做的。
语
原因
It was because he was in trouble that I tried my best to help him.
正是因为他处境困难我才尽力帮助他。
宾
补
It was red that we painted the gate.
我们把门油漆成红的颜色。
It was chairman that they elected him .
他们选他担任的是主席的职务。
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