2019-2020同步外研英语必修四新突破讲义:Module 3 Section Ⅲ Grammar——条件状语从句和让步状语从句 Word版含答案.pdf
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1、Section Grammar条件状语从句和 让步状语从句 语 境 自 主 领 悟 先观察原句 If you say the word “communication”, most people think of words and sentences. In case there is a fire,what will you do first? You wont arrive there on time unless you take a plane. Even if you were busy,you should take care of your family. Clever as h
2、e is,he doesnt make great efforts in his lesson. However much I tried,I couldnt work the question out. He keeps taking physical training in winter no matter how cold it is. Although/Though she works very hard,yet (still) she makes very slow progress. 后自主感悟 1.句中,黑体部分引导条件状语从句;句中,黑体部分引导 让步状语从句。 2.由句可知,
3、在条件状语从句中,主句用将来时,从句用一般现在时代替一 般将来时。 3.句中 although/though 引导让步状语从句不与 but 连用,但可以与 yet 或 still 连用。 4.由句可知,as 引导让步状语从句且置于句首时,从句用倒装语序。 5.句中,however 和 no matter how 都引导让步状语从句,两者可以换用。 一、条件状语从句 1条件状语从句的引导词 引导条件状语从句的词/短语有: if (假设,如果),unless (除非),so/as long as (只要),suppose/supposing (that)(倘若,假设); only if (只有才)
4、, provided/providing (that)(如果), on condition that (条件是),in case (如果,万一),when (如果;既然,考虑到)。 If Tom passes the examination,his father is going to buy him a bicycle. 如果汤姆考试及格,他父亲将会给他买一辆自行车。 You may watch TV as long as you finish your homework.只要你做完作业,你就 可以看电视。 Suppose/Supposing the plane does not arriv
5、e on time,what shall I do? 假定飞机不能准时到,我该怎么办? How can they learn anything when they spend all their spare time watching television?既然他们把所有空闲的时间都用来看电视了,还能学到什么东西呢? Only if you take an active part in physical activity will you be able to keep fit and stay healthy. 只有积极参加体育锻炼,你才能保持身体健康。 2主将从现 条件状语从句如果主句表示
6、将来的时间,从句用一般现在时代替一般将来时。 I wont wait for him unless he calls me. 除非他给我打电话,否则我不会等他。 即时训练 1 单句语法填空 It is so cold that you cant go outside unless fully covered in thick clothes. I believe you will have a wonderful time here once you get to know everyone else. I told him he would succeed only if he tried
7、hard. 二、让步状语从句 让步状语从句常由以下从属连词引导: though/although (尽管,虽然),as,even if/even though (即使),疑问词ever/no matter疑问词(不管,无论)等。 1though,although; even if,even though“虽然,尽管” 。 though,although 这两者意思大致相同,一般可互换,都可与 yet,still, nevertheless 连用,但不能与 but 连用。 Although the job takes a significant amount of time,most stude
8、nts agree that the experience is worth it. 虽然这份工作要花大量的时间,但大多数学生都同意这次经历是值得的。 Even though the forest park is far away,a lot of tourists visit it every year. 尽管森林公园很远,每年仍有很多游客前去游览。 2as,though“虽然但是,尽管” 。 as 引导的让步状语从句必须以部分倒装的形式出现,被倒装的部分可以是表 语、 状语或动词原形, though 有时也用于这样的结构中, 但 although 不可以这样用。 Tired as/thou
9、gh he was,he continued working in the field. Though/Although he was tired,he continued working in the field. 尽管他很累,他还继续在田里工作。 3whether .or .表示“不论是否;不管是还是”之意。 I have decided to take the job offer,whether it is good or bad.无论好坏,我已经 决定接受这份工作邀请。 4“no matter疑问词”或“疑问词ever”的含义为“不管都” ,它 们引导的让步状语从句可以互换。 Howe
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