(1) 一般情况用It is (was)…that (who)…,指人时,用who;指物时,用that。 4 c0 K' F j; l; Q: C 我们分别可以强调主语、宾语、表语、时间状语和地点状语等。如: ; ~- y) A9 l/ n! S4 G He read three books in the library yesterday.(正常句子) ! l; P" }$ ]4 S0 o; Y) g4 c It was he who read three books in the library yesterday.(强调主语) `9 X. u8 c5 Y. G( S
It was three books that he read in the library yesterday.(强调宾语) $ J, J# `4 t- q It was in the library that he read three books yesterday.(强调地点状语) ) @" O2 Z4 w8 D& ] (2) 强调状语或定语时,只用that,不用when、where,如: 6 L& Y/ `! d. c It is at 5 o’clock that the train will arrive. . s9 J3 j+ Z7 l- l2 j (3) 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: 6 _: M3 N! c. F It is he who is late. ' ` C n8 {0 _0 J, _
It is they who were late. : {9 d1 g- l4 z( @* D
(4) 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) +it +that…?”结构。如: k0 t) g. \! b5 B
Was it ten years ago that his father died?(他的父亲是十年前去世的吗?) ' } L* _0 X+ d+ x, t+ s7 G
When is it that you will set off?(你到底什么时候出发?) 7 ]% E# i# w; x; [ (5)“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: + `2 c: T9 M2 Z/ ~/ A7 a I didn’t go home until the rain stopped.(直到雨停了我才回家)。 % G: Q) q" W }* o$ \
强调句为:It was not until the rain stopped that I went home. & m+ p4 z/ q' x7 I6 g I didn’t know the news until yesterday.(直到昨天我才知道那个消息) 8 J6 H7 \% ~3 l
强调句为:It was not until yesterday that I knew the news.