关于英语语法
强调句结构
常用的强调句结构是it 引导的句子,结构为It is(was)+ 被强调部分+ that (who) + 句子的其余部分。此结构强调的成分限于主语,宾语和状语。例如:
It is from the sun that we get light and heat. 我们是从太阳那儿获取光和热。
It was not until I had read your letter that I understood the true state of affairs. 知道读了你的信,我才知道实际情形。
典型例题
1)It was last night ___ I see the comet.
A. the time B. when C. that D. which
答案C. 强调句的结构是: It +be +强调部分 + that (who))+ 主谓句。 强调句的连词只有两个,that和who。当强调的部分是人,且为句子的主语时,才用 who,其余用that。再如:原句:My father did the experiment in the lab yesterday evening.
强调主语: It was my father who did the experiment in the lab yesterday evening.
强调宾语: It was the experiment that my father did in the lab yesterday evening.
强调时间: It was yesterday evening that my father did the experiment in the lab. (注意不用when)
强调地点: It was in the lab that my father did the experiment yesterday evening.
2)It is ten years ___ Miss Green returned to Canada.
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