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1、Module 6 Problems if条件状语从句(2)1If I start after dinner, Ill finish it before I go to bed.如果我晚饭后开始，我会在上床睡觉前把它做完。2If you do all these other things instead of your homework, you wont have time to study.如果你尽做这些其他的事情，而不做作业，你就没有时间学习了。3He thinks something will go wrong if I play games on it.他认为如果我在电脑上玩游戏，电脑
2、就会出毛病。4She may come with us if she arrives in time.如果她来得及时，可以和我们一起去。5Eat your breakfast, or you will get hungry at school.吃早餐，否则在学校里你会感到饥饿。在上一模块，我们学习了“if从句祈使句”结构的条件状语从句。在本模块中，我们将进一步学习if引导的条件状语从句。一、 if引导的条件状语从句的三种情况1if从句主句(祈使句)2if从句主句(一般将来时态)3if从句主句(含情态动词can, may, must，should等)二、祈使句and/or简单句if引导的条件状语
3、从句可以转换成“祈使句and/or简单句”结构，其中and表示_；or表示_，意为“否则”。If you work harder, youll get good grades. Work harder, and youll get good grades.如果你再努力些，你就会取得好成绩。 If you dont hurry up, youll miss the train. Hurry up, or youll miss the train. 如果你不快点儿，你就赶不上火车了。if引导的条件状语从句的用法：.单项选择()1.2017安徽Hold your dream, _ you might
4、 regret some day.Aand BorCbut Dso()2.2017广东Johnson wont answer the phone if he _ the number. Aknew Bdoesnt knowCwill know Ddidnt know()3.2017南京Give me a chance, _ Ill prove it to you.Aand BtillCthough Dwhile()4.2017黄石 If you _ able to come, I will show you around my home town.Ais Bcan beCwill be Dar
5、e()5.2017盐城 You will be able to see something _ you climb onto those rocks.Aif BthoughCuntil Dunless.按要求完成下列各题1If you dont study hard, you will fail the exam. (改为祈使句)_ _， or you will fail the exam.2Dont read in the sun, or your eyes will hurt. (改为同义句)_ _ _ in the sun, your eyes will hurt.3Run fast,
6、or youll be late for school. (改为同义句)_ you _ _ fast, youll be late for school.4You can buy the dictionary if you take enough money with you. (改为同义句)Take enough money with you, _ _ _ buy the dictionary.5You offer to help your father. He isnt angry with you. (改为由if引导的条件状语从句)_详解详析【语法探究】顺承； 转折【实战演练】.1.B考
7、查连词辨析。句意：坚持你的梦想，_有朝一日，你或许后悔。and意为“和”，表示并列关系；or意为“否则，或者”，表示条件或选择；but意为“但是”，表示转折关系；so意为“所以”，表示因果。由句意可知选B。2B考查动词的时态。if表示“如果”，引导条件状语从句时，主句用一般将来时，从句用一般现在时。故选B。3A考查连词辨析。句意：给我一次机会，_我将证明给你看。前后两句是顺承关系，因此用and。故选A。4D5A考查连词辨析。if意为“如果，假如”； though意为“尽管，虽然”；until意为“直到”；unless意为“除非，如果不”。句意：如果你爬上那些岩石，你将会看到某些东西。由句意可知选A。.1.Study hard2.If you read3If; dont run4.and you can/or you cant5If you offer to help your father, he wont be angry with you.5
