2012年职称英语《理工类》语法讲解二

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(3) 强调状语时, 只用that, 不用when、where. 如:
( B; U. [. ]7 n9 o' uIt is at 5 o'clock that the train will arrive.
: d; C: L/ @: i* D$ V7 P) T* _(4) 被强调的部分是主语时, 注意句子的谓语动词和被强调的主语保持一致。如:
2 H& D6 l4 }' R$ L6 gIt is he who is late. 　It is they that were late.
7 l" _/ j& x& I+ Y2 r(5) 一般疑问句的强调句为"Is (was) it + that…?"; 特殊疑问句为: "特殊疑问词+ is (was) +that…?"结构。如:
- b5 x5 ~1 F8 I' AWas it ten years ago that his father died?他的父亲是十年前去世的吗?
When is it that you will set off?你到底什么时候出发?
' c9 w- u: g) K- j; d: b. L(6) "not…until…"句型的强调结构为"It is not until…that…"应注意把否定词not转移到until前面。如:
, j4 Y& \; ~9 Z( g! XI didn't go home until rain stopped. 直到雨停了我才回家。
3 P' c- I8 }9 j2 {: D/ r# _9 ?; r强调句为: It was not until rain stopped that I went home.
I didn't know the news until yesterday. 直到昨天我才知道那个消息。
强调句为: It was not until yesterday that I knew the news.
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.
0 {  |+ Y8 e- r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)
5 p- {* I: X) ^# j; F  ^$ a# e强调地点: It was in the lab that my father did the experiment yesterday evening.
C.倒装句：(这是我们在阅读文章时常见到的句式。)
英语中主语在前谓语在后的语序称为自然语序。由于语法、修辞的需要谓语置于主语之前，称为全部倒装; 助动词、情态动词等移到主语之前而主要动词仍然在主语之后的，称作半倒装。 全部倒装和半倒装的句子统称倒装句。