高中英语 Module 3 Body Language and Non-verbal Communication Section Ⅲ Grammar-条件状语从句和让步状语从句教学案 外研版必修4-外研版高一必修4英语教学案VIP专享

Module 3 Body Language and Non-verbal Communication Section Ⅲ Grammar-条件状语从句和让步状语从句语法图解探究发现①If you say the word “communication”， most people think of words and sentences.②In case there is a fire, what will you do first?③You won't arrive there on time unlessyou take a plane.④Even if you were busy, you should take care of your family.⑤Clever as he is, he doesn't make great efforts in his lesson.⑥However much I tried, I couldn't work the question out.⑦He keeps taking physical training in winter no matter howcold it is.⑧Although/Though she works very hard, yet (still) she makes very slow progress.[我的发现](1)①②③ 句中，黑体部分引导条件状语从句；④⑤⑥⑦⑧句中，黑体部分引导让步状语从句。(2)由③句可知，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)⑧ 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⑤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)⑥⑦ 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 ), 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)。IfTom 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 asyou finish your homework.只要你做完作业，你就可以看电视。Suppose/Supposing the plane does not arrive 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 ifyou take...