人教版英语八年级上册-Unit10-SectionA-Grammar-语法课件.ppt

1、Unit 10 GrammarIf 引导下的条件状语从句引导下的条件状语从句-If you prepare for lunch,what will you buy?-If I prepare for lunch,I will buy.If he prepares for lunch,he will buy some beef.=He will buy some beef if he prepares for lunch.He will prepare for lunchIf 引导下的条件状语从句引导下的条件状语从句When to prepare?一般现在时一般现在时一般将来时一般将来时一般将来

2、时一般将来时主主将将从从现现主句主句从句从句1.If you take the bus to the party,youll be late.2.You will be sorry if you dont go to the party,.3.If you go to the party with Tom,youll have a good time.4.What will happen if it rains?Where is“从句从句”？What will happen if it rains?主将从现主将从现1.If it rains,he _ _ _ _ tonight.(待在家待在家

3、)2.If it rains,there _ _(be)no P.E class tomorrow.3.If it rains,my mother _ _ me to school.（开车送我去学校）（开车送我去学校）will stay at homewill bewill driveIf it _ _ (not rain)tomorrow,he will go fishing.If it _ _,(become cold变得更冷变得更冷)I _ _(wear)more clothes.If the frog _ _(想要想要)play with Peppa,It _ _(jump)up a

4、high hill.主将从现主将从现doesnt rainbecomes colderwill jumpwill wearwants toCan you help me?Gift 主将从现主将从现1._ you drive,you will not be late for work.A.If B.Unless (除非除非)C.ThoughD.Or(否则否则)Gifts!2.There is going to _ a sports meeting next week.If it _,well have to cancel it.A.be,doesnt rain B.have,will rain

5、C.be,rains D.have,rains 主将从现主将从现Gifts!3.Im waiting for my friend._,Ill go shopping alone.A.If she comes B.If she isnt come C.If she doesnt come D.If she didnt come 主将从现主将从现Gifts!4.If she _ angry with you,she will leave at once without _.A.is;saying something B.isnt;saying anything.C.is;saying anythi

6、ng D.isnt;saying something.主将从现主将从现Click here and see the gift!Here is a song for you,guys!If youre happy and you know it,clap your hands(clap,clap).If youre happy and you know it,clap your hands.(clap,clap).If youre happy and you know it,and you really want to show it.If youre happy and you know it

7、,clap your hands.(clap,clap).If you are happyIf you are happy and know it,clap your hands.=Clap your hand if you are happy and know it.Exercise:Get up early if you dont want to be late.(not want)If 引导下的条件状语从句引导下的条件状语从句一般现在时一般现在时祈使句祈使句主主祈祈从从现现主句主句从句从句If you are happy,you can clap your hands.=You can

8、clap your hand if you are happy.其他情态动词：其他情态动词：Exercise:He can pass the exam,if he studies hard.If 引导下的条件状语从句引导下的条件状语从句一般现在时一般现在时含有情态动词含有情态动词主主情情从从现现主句主句从句从句(study)may,must,have toSummary1.主主将将从现从现If it rains,I will stay at home.2.主主祈祈从现从现If he comes,please let me know.3.主主情情从现从现If you come first,you

9、 can order the food.If 引导下的条件状语从句引导下的条件状语从句Games!23415GamesYou are so LUCKY!Games23415Games用单词的适当形式填空用单词的适当形式填空1.If the light _(be)red,you must stop walking.isGames23415Games单句改错单句改错2.If he isnt come,we will go to the beach.doesnt23415Games3.You will see many aunts dancing together on the square if

10、it _ in the evening.A.doesnt rain B.rainsC.will rain D.wont rain单项选择单项选择23415GamesYou are so LUCKY!23415Games单项选择单项选择4.I dont know if she _ tomorrow.Ill tell you if she _.A.comes,comes B.will come,will come C.comes,will come D.will come,comes Ill tell you if she comes.如果如果她来我会告诉你。她来我会告诉你。I dont know

11、 if she will come tomorrow.我不知道她明天我不知道她明天是否是否回来。回来。当当if 翻译成翻译成“是否是否”时，时，主将从现原则不适主将从现原则不适用用 Chen Huading always hopes(hope)to be a doctor.However,when he was a little boy,his mother told him that she wanted(want)him to be an English teacher.He is trying so hard to persuade his mother.“If I fail(失败失败)

12、my English exam,my mother wont force(强迫强迫)me to to be an English teacher any longer.”he thought.“Dont do that if you really want(want)her happy”his teacher said to him.“If you get good grades in chemistry(化学化学)exam tomorrow,your mother might change her mind(改变主改变主意意).Finally,he made it.He got 100.Wh

13、at will happen if he shows(show)his paper to his mother?No one knows(know)if his mother will change(change)her mind.12456791038 Chen Huading always hopes(hope)to be a doctor.However,when he was a little boy,his mother told him that she wanted(want)him to be an English teacher.He is trying so hard to

14、 persuade his mother.“If I fail(失败失败)my English exam,my mother wont force(强迫强迫)me to to be an English teacher any longer.”he thought.“Dont do that if you really want(want)her happy”his teacher said to him.“If you get good grades in chemistry(化学化学)exam tomorrow,your mother might change her mind(改变主改变主意意).Finally,he made it.He got 100.What will happen if he shows(show)his paper to his mother?No one knows(know)if his mother will change(change)her mind.12456791038是否是否HomeworkWriting If you have 10000 dollar tomorrow,what will you do?Why?Thanks for listeningThanks for listening