2023年安徽省中考英语总复习二轮复习：if条件句.pptxVIP

2023年安徽省中考英语总复习二轮复习人教版（Go for it）八年级上册If引导的条件状语从义练习巩固教学内容总结目录CATALOGYCF01条件状语从句的定义：由一个主句和一个或一个以上的从句构成的句子叫复合句。若由连接词引导的句子在复合句中表示条件，做主句的条件状语，则该句子被称为条件状语从句。0101定义引导条件状语从句最常用的连词是if,由if引导的条件状语从句表示在某种条件下某事很可能发生。If02Imagine the future教学内容Tomorrow is Lily’s Birthday party.What will happen?教学内容If you go to the party, you will have a great time.主句If 从句If 意为“假如；如果”引导的句子在句中做条件状语，叫做条件状语从句，表示在某种条件下某事很可能会发生。I think I will go to the party.I think I will wear jeans to the party.If you wear jeans to the party, the teacher won’t let you in.主句If 从句or:The teacher won’t let you in if you wear jeans to the party.主句If 从句用If 从句在主句前时，________逗号隔开。主句在If 从句前时，________逗号。不用Boy：I think I will take the bus to the party.Mom: If you take the bus to the party, you will be late.一般现在时一般将来时You will be late if you take the bus to the party.一般现在时一般将来时条件状语从句要用一般现在时表示将来的动作，主句用将来时。即：主将从现1. If you want to make Lily happy, you should give her a gift.如果你想要Lily开心，你应该送她一份礼物。2. You can sing a song for her if you like.如果你愿意的话，你可以为她唱首歌。补充（一）主将从现中的主句有时会用情态动词（can/may/might…）+动词原形。即：主情从现3. Don’t leave without saying goodbye if you have to go.如果你要离开，不能不辞而别。补充（二）主将从现中的主句也可以是祈使句。即：主祈从现巩固练习B1.We will stay at home _______ it rains tomorrow.(2017.天津中考) A. and B. if C. but D. so2. —The weather report says that it _____ tomorrow in most parts of Anshun city. —If it ____, the school sports meet will be canceled.(2018.安顺中考) A. will rain ; will rain B. will rain ; rains C. rains ; will rain D. rains ;rainsB巩固练习3. He can go home if he ________ (finish) his homework.finishesam4. Don’ t wait for me if I _____ (be) late.小结主句与从句的位置关系：If 从句在主句前时，用逗号隔开。主句在If 从句前时，不用逗号。小结主句和从句的时态区别：1. will + do (主将从现)含if引导条件状语从句的主从复合句中，从句用一般现在时表将来，主句用—2. may/can… + do (主情从现)3. 祈使句 （主祈从现）If 引导的条件状语从句（if）条件句，不一般，两个点要记心间；（if）条件句，放在前，逗号要放主句前；（if）条件句，表可能，主将从现是关键；Thank you ！