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1、 2022年高考英语必考重点句型句型8 before特别用法(2)“过了多久才“或“动作进展到什么程度才“ 例句 They walked about fifty miles to the west before they saw a village. 他们西行50英里才看到一个村庄。 The workers worked day and night about three days before everything returned to normal. 工人们连续工作3天才使一切恢复正常。 He almost knocked me down before he knew it. 他几乎撞到
2、我了才意识到。 We had walked a long way before we found some water. 我们走了很长的路才找到一点水。 Five years went by before I knew it. 不知不觉，五年过去了。 句型9 It was + 时间段+before.“过了多久才(怎么样)“ It was not long before.“不久，就“ It will (not) be +时间段+before.“要过多久(不久)才“(before从句谓语动词要用一般时态) 例句 It was not long before he sensed the danger
3、 of the position.不久他就意识到他境况的危急。 It was five days before he came back. 五天后他才回来。 It will be half a year before you graduate from the school. 再过半年你才能毕业。 It will not be long before they understand each other. 他们也许不久就会相互了解。 句型10 in case of(+n.) “以防;万一“; in case that“以防，万一“(谓语动词用一般现在时态或should+动词原形) 例句 In
4、case of fire, what should we do? Please remind me about it in case I forget/should forget. 万一我忘了，请提示我。 In case (that) John comes/should come, please tell him to wait. Please take your umbrella in case (that it rains/should rain).带上雨伞，以防下雨。 句型11 It强调句型 强调句的根本构成：It is/was + 被强调的局部 + who(主要指人时)/that +
5、其余局部 留意1 这种构造可以强调句子的主语、宾语、状语(包括时间，地点，方式，缘由等)，但是不能强调谓语动词(参考句型15)。 原句的谓语动词假如是现在或将来时态，用It isthat/who.; 原句的谓语动词假如是过去时态，用It wasthat/who.; 强调时间、地点、缘由或方式时不要用when, where或how, 必需用that。 例句1 I saw him in the street yesterday afternoon. It was I who saw him in the street yesterday afternoon.(强调主语) It was in the
6、 street that I saw him yesterday afternoon.(强调地点状语) It was yesterday afternoon that I saw him in the street.(强调时间状语) It was him that/who I saw in the street yesterday afternoon.(强调宾语) 例句2 He didn”t go to bed until his mother came back. It was not until his mother came back that he went to bed. He di
7、dn”t do his homework until his father came back from work. It wasn”t until his father came back from work that he did his homework. 例句3 Only when you nearly lose someone do you fully realize how much you value him. It is only when you nearly lose someone that you fully realize how much you value him
8、. 只有你快要失去某个人时，你才意识到你是多么敬重他。 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引导的缘由状语从句，because不能换成since, as, for, now that等) 留意2强调句的疑问构造 一般疑问句 Is / Was it +被强调局部 +who /
9、 that ? 特别疑问句 特别疑问词+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
10、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
11、/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，我们或许会出去。 Think it over and you will find the answer. Give him an inch and he will take a mile. 得寸进尺。 Work h
12、ard and you will make progress every day. 好好学习，每天向上。 句型13 until.“直到时候“;notuntil“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.
13、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峻。 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
14、 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，假如不“(=ifnot) 例句 I shall go tomorrow unless it rains. 假如不下雨，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。
