1、Module 6 The Worlds Cultural Heritage,条件和让步状语从句,1条件状语从句注意点,You will improve your oral English if you keep on practising He will never make progress _he works hard A. if B. unlessIf I _you, I would give up smoking at once A. was B. am C. is D. were,1) if和unless是最常用的条件从句连接词，unless在意义上等于“ifnot”，并且语气较强。
2、if可用于虚拟条件句，unless则一般不用于虚拟条件句。,unless,were,2) in case后接一般现在时、一般过去时或should，它所引导的从句为主句的动作提供理由。,Please take your raincoat along with you in case it rains. He always slept by the phone in case she rang during the night Dont go out tomorrow morning in case Mr Li should come to visit you,常见的引导条件句的连词还有： as
3、long as, once, on condition that, provided that, supposing that等,2让步状语从句注意点,1) even ifeven thoughalthoughthough都作“虽然”、“尽管”解释，但是even if和even though所表示的让步语气最强，although次之，though最弱。,The old woman is unhappy though she has a lot of money He will never tell you the truth even if he knows it,2) 形容词副词名词+ast
4、hough可引导一个让步状语从句，表示强调。,Though she is young, she knows so much about life. Young asthough she is, she knows so much about life. Though they fought bravely, they had no chance of winning. Bravely asthough they fought, they had no chance of winning. Though he is a child, he can speaks three languages.
5、Child asthough he is, he can speaks three languages.,Whatever happens，we will not change our mind No matter what happens，we will not change our mind However difficult the work is, we will finish it in time. No matter how difficult the work is, we will finish it in time. I dont like whatever they do.
6、,3) whatever (whenever, however)和no matter what (when，how)这两种形式都可引导让步状语从句，意义无差异。,状语从句中的省略,在以when, while, if, as if, though (although), as, whether, once等连词引导的时间、原因、条件、方式、让步等状语从句中，常常省略相同的主语或作主语的代词it以及be动词,保留现在分词、过去分词、介词短语、不定式等。,When (he was) still a boy of 10, he had to work day and night.She tried h
7、er best though (she was) rather poor in health.If (you are) asked you may come in.If (it is) necessary Ill explain to you again.,Ex 1. If_, well continue our experiment after office hours.A. being necessary B. be necessaryC. is necessary D. necessary,Ex 2. While building a tunnel through the mountai
8、n, _. A. an underground lake was discovered B. there was an underground lakediscovered C. a lake was discovered underground D. the workers discovered an underground lake,Ex 3. Generally speaking, _ according to directions, the drug has no side effect. A. when taking B. when takenC. when to take D. w
9、hen to be taken,Fill in the blanks with conjunctions.,1) I was persuaded to do the job, _ I didnt want to.2) I talked to Henry _ the football players were resting in the middle of the game.3) The students listened carefully _ they should fail to follow the speaker. 4) _ she got anything to eat, she
10、would save it for her children. 5) They promised to wait _ the clock struck twelve.,even though/ although / though,while,in case,Each time,until/till,6) Hard _ the task is, he is determined to finish it. 7) _ she may have told you, I still think she is not to be trusted. 8) I will not buy it _ the price is fair.9) The parent birds will not go their separate ways _ the young birds leave the nest. 10) The pianist waited for silence _ he began to play.,as,Although / Though,unless,until/till,before,
