1、What will you do if you want to get good marks?I will listen to the teacher carefully.What will you do if you want to get good marks?I will do homework by myself.We use conditional sentences to talk about possible actions and the results of the actions.The if-clause talks about a possible action.If
2、you walk along the Bund,you will see many old buildings.The main clause talks about the likely result.You will see many old buildings if you walk along the Bund.Main clauseIf-clauseThings to remember:If 引导的条件状语从句引导的条件状语从句 1.主将从现主将从现 if will/wont 2.主祈从现主祈从现 3.主情(主情(can,may,should,must)从现)从现1.主将从现主将从现
3、 if will/wontIf it is sunny this weekend,what will you do?will playIf it is sunny this weekend,what will you do?If it is sunny this weekend,I wont _ at home.watch TV1.如果她有时间,明天她将来看我。如果她有时间,明天她将来看我。will comeisShe _(come)to see me tomorrow if she _(be)free.2.如果明天下雨的话,他们这个周如果明天下雨的话,他们这个周末不会来帮我们学英语。末不会来
4、帮我们学英语。They _(help)us with our English this weekend if it _(rain)tomorrow.wont helprains2.2.主祈从现主祈从现1)如果你感到有点冷,不要跳入河里。如果你感到有点冷,不要跳入河里。2)努力学习如果你想通过考试。努力学习如果你想通过考试。Dont jump into the river if you feel kind of cold.Study hard if you want to pass the exam.Dont worry about me if I lose the game.翻译句子翻译句子1
5、、如果我失去比赛,不要担心我。、如果我失去比赛,不要担心我。2、如果你想出去玩,先要完成作业。、如果你想出去玩,先要完成作业。Finish your homework first if you want to go out.If you go to Beijing,you can visit the Summer Palace.We can walk there if we cant find a bus.We can use modal verbs such as can in the main clause.3.主情(主情(can,may,should,must)从现)从现If you f
6、eel tired must.1.如果你去北京,你可以参观颐和园。如果你去北京,你可以参观颐和园。If you _(go)to Beijing,you can _(visit)the Summer Palace.2.如果你沿外滩走,你会看到许多旧建如果你沿外滩走,你会看到许多旧建筑物。筑物。If you _(walk)along the Bund,you _(see)many old buildings.govisitwalkwill see3.努力学习,如果你不想落在其他努力学习,如果你不想落在其他同学的后面。同学的后面。Study hard if you (not want)fall be
7、hind the other students?dont want()1.(2015,重庆),重庆)Stop smoking,Joe!You _ yourself if you keep on doing it like that!A.will kill B.have killed C.kill D.killed【解析解析】考查考查if引导的条件状语从句。当主句是引导的条件状语从句。当主句是 一般将来时,一般将来时,if引导的条件状语从句用一般现引导的条件状语从句用一般现 在时。句意为在时。句意为“Joe,不要吸烟了!如果你继续,不要吸烟了!如果你继续 那样做的话,你会害死自己的那样做的话,你
8、会害死自己的”。故选。故选A。直击中考直击中考A()2.(2014,达州)达州)Excuse me,could you please tell me if the sports meeting _ on time?Hard to say.If it _ tomorrow,well have to put it off.A.will hold;rains B.will be held;rainsC.will be held;will rain D.holds;will rain【解析解析】考查考查if的用法。第一个空是宾语从句一般将来时态的用法。第一个空是宾语从句一般将来时态的被动语态,第二个空
9、当主句是一般将来时,的被动语态,第二个空当主句是一般将来时,if 引导的条件引导的条件状语从句应该用一般现在时。句意为状语从句应该用一般现在时。句意为“如果明天下雨,我们如果明天下雨,我们将不得不推迟将不得不推迟”。故选。故选B。B()3.(2014,丹东),丹东)Im busy with my schoolwork these days.Thats great!You wont get good grades _ you work hard.A.if B.because C.unless D.after【解析解析】考查条件状语从句。当主句是一般将来时,考查条件状语从句。当主句是一般将来时,if/unless引导的条件状语从句应该用一般现在时。句引导的条件状语从句应该用一般现在时。句意为意为“如果你不努力学习的话,你不会得到好成绩如果你不努力学习的话,你不会得到好成绩”。故选故选C。C1、复习本单元的语法知识点。、复习本单元的语法知识点。2、牢记、牢记if引导的条件状语从句引导的条件状语从句的用法。的用法。