Unit10 if条件状语从句课件2023-2024学年人教版英语八年级上册

英语中考语法复习 If条件状语从句 What will I do if it is sunny this weekend? sleep play computer games go shopping ? If引导条件状语从句 条件状语从句的定义： If 意为“如果，假如”，它所引导的句子表示某事发生所需的条件，在句子充当状语，因此称为条件状语从句。 If you ask him, he will help you. He will help you if you ask him. If I have time, I’ll go to see you. I’ll go to see you if I have time. 从主有逗 主从无逗 if 如果 unless (= if not) 除非 as long as 只要 1. If you want to know, I can tell you. 2. You can’t learn it well unless you work hard 3. I’ll help you as long as you need me 最常用的引导词有: It is going to rain tomorrow.   I will stay at home. If it _____ tomorrow, I _____ _____ at home. rains will stay 用法1：如果主句是一般将来时，从句则用一般现在时。 She must be late. If she _____ to school, she _____ ___late. She is going to walk to school. walks must be 用法2：如果主句含有must, may, can 等情态动词，从句也要用一般现在时。 If it ____ sunny tomorrow, Let’s ______ a trip. It will be sunny tomorrow. Let’s have a trip tomorrow. is have 用法3：如果主句是祈使句，从句同样要用一般现在时。 If引导条件状语从句，遵循： 主将从现 主祈从现 主情从现 一、用括号内所给单词的正确形式填空。 1. I’ll buy a computer if I _____ (have) enough money. 2. If he _____ (go) to the party, he _____________________ (have) a great time. have goes will/must/can have 趁热打铁 10 3. You ___________ (not get) nervous if you _____ (do ) enough exercise. 4. If she ________ (finish ) work early, she ______________ (go) home. do finishes will/can go won’t get If it is sunny this weekend, what can they do ? If it is sunny this weekend, they __________ football with my classmates. If it is sunny this weekend, they ___________________________. can play they can play computer games 二、看图完成句子。 If it is sunny this weekend, what won’t you do ? If it is sunny this weekend, I _____________________. If it is sunny this weekend, I ______________________. won’t stay at home won’t watch television If you see the accident (事故), you _____________ If I ____________, I ____________ good grades. study hard will /can get can call 110