if引导的条件句.ppt

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1、GrammarIfIt will be sunny tomorrow.Find the rule(1)We will have a picnic tomorrow.Find the rule(1)We will have a picnic if its sunny tomorrow.It will be sunny tomorrow.We will have a picnic tomorrow.I will take part in the English competition.Find the rule(2)Dad will buy a pen for me.Find the rule(2

2、)Dad will buy a pen for me if I take part in the English competition.I will take part in the English competition.Dad will buy a pen for me.We will go to the park.It wont rain tomorrow.We will go to the park if it doesnt rain tomorrow.Find the rule(3)if条件状语从句中，主句用一条件状语从句中，主句用一般将来时，从句用一般现在般将来时，从句用一般现在

3、时表示将来。时表示将来。If you wont hurry up,you will miss the early bus.If you dont hurry up,you will miss the early bus.Whats the rule?（1）If you.,you will.if条件状语从句中，如果主句条件状语从句中，如果主句有有must，can，may等情态动等情态动词，从句用一般现在时词，从句用一般现在时。You must stop if the traffic light is red.You may go fishing if you are free.He can go

4、 home if he finishes his homework.Whats the rule?（2）if条件状语从句中，如果主句条件状语从句中，如果主句是祈使句，从句用一般现在时。是祈使句，从句用一般现在时。Let me know if he comes.Dont wait for me if I am late.Put up your hands if you have any questions.Whats the rule?（3）2.If条件状语从句中，如果主句有must，can，may等情态动词，从句用一般现在时。（主情从现）3.If条件状语从句中，如果主句是祈使句，从句用一般现在

5、时。（主祈从现）1.If条件状语从句中，主句用一般将来时，从句用一般现在时表示将来。（主将从现）Rules 3.If Mary (buy)the book,she will use up all her money.1.If I (be)free,Ill visit my aunt next Sunday.4.If I (study)hard,Ill win the English competition.2.If it (be)cold tomorrow,I will wear my sweater.amisbuysstudyExercise(1):5.If a UFO (land)in f

6、ront of me,I (go)in to look for the alien.landswill go happyA:What will you do if you are happy?B:I will if I am happy.sing a song/go shopping/watch TV/visit/Exercise(2):1.Call me if the boss (will come/comes).comes2.She must see a dentist if she (has/will have)a toothache.has3.Have a good rest if y

7、ou (will be/are)tired.are4.You can go shopping with your sister if you (have/will have)time this afternoon.have5.If there (will be/is)a car accident,they (will call/call)110 at once.iswill call sad:What will you do if you are sad?B:I will if I am sad.cry/talk to my parents/sleep/Fill in the blanks w

8、ith the words given.1.If you help others,everyone _(help)you.2.If he _(eat)much meat,hell be heavy.3.If it_(rain),she _(read)books at home.4.If you play computer games too much,you _(be)tired.5.If you _(bring)snacks to school,the teacher will take them away.will help eatswill readwill bebringrainsan

9、gryA:What will you do if you are angry?B:I will if I am angry.keep quiet/play basketball/fight/()1.You should have a rest_ you are tired.A.if B.who C.where D.but()2.Ill go with you if I_ free.A.will be B.would be C.am D.was()3.We_ go to the park if it doesnt rain.A.are B.will C.should D.can()4.If he

10、 _ fishing tomorrow,Ill go with him.A.go B.going C.goes D.went()5.I think Im going to stay at home.If you _,youll be sorry.A.will do B.do C.did D.doesACBCBCv1.(2010.内江中考内江中考)Idontknowifit_tomorrow.Ifit_,wewontgoonapicnic.vA.rains;rainsB.willrain;rainsC.willrain;willrainAv13.(2009孝感中考孝感中考)-Tommy,doyo

11、uknowifFrank_tothezoothisSundayifit_?v-Sorry,Ihavenoidea.vA.willgo;isfinevB.goes;isfinevC.willgo;isgoingtobefinevD.goes;willbefinetiredA:What will you do if you are tired?B:I will if I am tired.go to bed/have a rest/listen to music.What will you do if you have a lot of money one day?Discuss with your partner:What will you do if you can be a teacher one day?Discuss with your partner:What will you do if you dont have classes tomorrow?Discuss with your partner: