Unit9条件状语从句课件2023-2024学年人教版英语八年级下册

条件状语从句 Adverbial Clause of Condition DEFINITION 如果你看过一部叫Titanic的电影，那你一定知道我在说什么 如果你还看过Inception，那你已经掌握了条件状语从句的定义 About 20 Years Ago If you jump, I will jump 3 Then...... 4 If you jump, I will not jump with you. Time change a lot！ 5 Definition• 定义 6 什么是状语？？？ I study English. I study English well. I study English at school. I study English on Saturday. 状语：修饰谓语动词，用于说明时间、地点、原因、方式、条件、目的、结果等状况的成分。副词通常作状语。 Definition• 定义 7 什么能做状语？？？ I study English well. 副词 I study English at school. 介词短语 I study English on Saturday. 介词短语 I study English because I love it. 句子！ 状语从句：用句子作状语就把这个句子称作状语从句。 classification 8 What were you doing when the rainstorm came? 时间 Wherever you go, I will wait for you. 地点 He can’t go with us because he was ill. 原因 Although he is ill, he still goes to school today. 让步 I get up early so that I can catch the first bus. 目的 You are so young that you can’t play online games. 结果 If I am an emperor, I will have so many wives. 条件 the Lead Word If 如果 引导条件状语从句 表示主句中动作发生的条件 表示假如有从句的动作发生就会有主句的动作发生 9 if从句，+主句 主句+ if从句 If you jump, I will jump I will jump if you jump 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 主将从现 If you ask him, he will help you. 主祈使句，从一般现在 Study hard, if you want to pass the exam. 主语+情态动词，从句if+主语+一般现在时 I can go with you if you want. 10 Example•例子 11 If you are hungry, you should eat some food. As long as it doesn’t rain, I can go camping with you. Unless you finish your homework, you can’t go out. 主情从现 Example•例子 12 Don’t laugh at me if I make a mistake. Don’t turn on the TV unless you finish your homework. Don’t be upset if you fail to pass the exam. 主祈从现 如何区分主句与从句？？？ 13 找连接词：连接词引导的句子为从句，反之为主句 If you jump, I will jump. If you jump, I will push. 连接词If：如果 畅想时刻：if... 14 Tense•时态 15 主将从现：主句一般将来时，从句一般现在时 主句是一般将来时、祈使句或含情态动词时，从句要用一般现在时表将来 If we try harder tomorrow,we will win the first prize. As long as we keep contact with each other,you will not feel lonely. PRACTICE 1