[例句4 was late again because the traffic was very heavy during the rush hour -lt was because the traffic was very heavy during the rush hour that I was late again (强调句中只能强调由 because引导的原因状语从句, because不能换成 Since,as,for, now that 注意2强调句的疑问结构 一般疑问句Is/ Was it+被强调部分+who/that..? 特殊疑问句特殊疑问词+isas+it+who/that.? What is/was it that . Who is/was it that When is/was it that. . Where is/was it that. Why is/was it that. How is/was it that.? [例句1] I saw him in the street yesterday afternoon -When was it that you saw him in the street? .who was it that you saw in the street yesterday afternoon? -where was it that you saw him yesterday afternoon? [例句2 i dont know when he will come back → i don't know when it is that he will come back(宾语从句疑问词后用陈述句语序) - How was it that you got in touch with Mr. Smith?你是怎么和 Smith先生联系上的? Trough a friend of mine.通过一个朋友 句型12 (1)、祈使句(表条件) or/or else./ otherwise+主句(表结果)."否则….,要不然…." (2)、祈使句(表条件)and+主句(表结果) [例句] Hurry up, or you'll be late for class Please call me up before you come, otherwise/or else/or we might be out 6
6 [例句 4] I was late again because the traffic was very heavy during the rush hour. →It was because the traffic was very heavy during the rush hour that I was late again. (强调句中只能强调由 because 引导的原因状语从句，because 不能换成 since, as, for, now that 等) [注意 2]强调句的疑问结构 一般疑问句 Is / Was it +被强调部分 +who / that …? 特殊疑问句 特殊疑问词+is /was +it +who / that…? What is/was it that…? Who is/was it that…? When is/was it that…? Where is/was it that…? Why is/was it that…? How is/was it that…? [例句 1] I saw him in the street yesterday afternoon. →When was it that you saw him in the street? →Who was it that you saw in the street yesterday afternoon? →Where was it that you saw him yesterday afternoon? [例句 2] I don't know when he will come back. →I don't know when it is that he will come back.(宾语从句疑问词后用陈述句语序) -How was it that you got in touch with Mr. Smith? 你是怎么和 Smith 先生联系上的? -Trough a friend of mine. 通过一个朋友。 句型 12 (1) 、祈 使句 (表 条件 )+ or/or else/ otherwise + 主 句 (表 结果 )… "否则 …， 要不 然…" (2)、祈使句(表条件)+ and +主句(表结果) [例句] Hurry up, or you'll be late for class. Please call me up before you come, otherwise/or else/or we might be out
你来之前打个电话,否则,我们也许会出去。 Think it over and you will find the answer Give him an inch and he will take a mile.得寸进尺。 Work hard and you will make progress every day.好好学习,天天向上。 句型13 untl."直到…时候"not.unti.直到 例句 You are to stay until/till your mother comes back.你得等到你妈妈回来 The meeting was put off until ten o'clock.会议推迟到十点钟。 The villagers didn't realize how serious the pollution was until all the fish died in the river. Not until all the fish d ied in the river d id the villagers real ize how serious the pollution was (a=k 等到湖里的鱼全死光了,村民们才意识到污染是多么严重。 He didn 't go to bed until his mother came back → t was not until his mother came back that he went to bed.(强调句) Not until he failed in the exam did he realize that he had wasted much time playing computer games Not until his son came back from school d id he go to bed 句型14 unls:.除非,如果不.…"(=f:not) [例句] I shall go tomorrow unless it rains.如果不下雨,我明天去 Shall Tom go and play football? Not unless he has finished his homework.除非他完成作业,否则不能出去。 I won t go unless he comes to invite me himself 除非他本人来邀请我,不然我是不会去的 I won't attend his birthd ay party unless invited(= unless i am invited).除非被邀请,否则我不 去参加的生日晚会
7 你来之前打个电话，否则，我们也许会出去。 Think it over and you will find the answer. Give him an inch and he will take a mile. 得寸进尺。 Work hard and you will make progress every day. 好好学习，天天向上。 句型 13 …until…."直到……时候";not…until…"直到……才……" [例句] You are to stay until/till your mother comes back. 你得等到你妈妈回来。 The meeting was put off until ten o'clock. 会议推迟到十点钟。 The villagers didn't realize how serious the pollution was until all the fish died in the river. →Not until all the fish died in the river did the villagers realize how serious the pollution was.(倒装 句) 等到湖里的鱼全死光了，村民们才意识到污染是多么严重。 He didn't go to bed until his mother came back. →It was not until his mother came back that he went to bed.(强调句) Not until he failed in the exam did he realize that he had wasted much time playing computer games. Not until his son came back from school did he go to bed. 句型 14 unless…"除非，如果不……"(=if…not) [例句] I shall go tomorrow unless it rains. 如果不下雨，我明天去。 -Shall Tom go and play football? -Not unless he has finished his homework. 除非他完成作业，否则不能出去。 I won't go unless he comes to invite me himself. 除非他本人来邀请我，不然我是不会去的。 I won't attend his birthday party unless invited (=unless I am invited). 除非被邀请，否则我不 去参加的生日晚会