If引导的条件状语从句

1、1If引导的条件状语从句If引导的条件状语从句遵循主过从过、主将从现的原则。主将从现（主情从现、主祈从现）If it rains tomorrow,I wont climb the hills.If it doesnrtain tomorrow,I will go to the countryside with my friends.If引导的条件状语从句If引导的条件状语从句遵循主过从过、主将从现的原则。主将从现（主情从现、主祈从现）If you will help me,Ill finish it on time.We may go out if its fine tomorrow.If

2、you finish your homework,you can watch TV.Please call me if you go shopping next Sunday.If I go there，Ill take her some flowers.Well stay at homeif it rains tomorrow.Please call meif hes at home.If you work harder,youll pass the exam.She will visit her grandpa if she has time tomorrow.Well take a ta

3、xi to the cityif the train doesnt arrive on time.The teacher will be angryif he is late.If引导的条件状语从句与unless引导的条件状语从句 的转换If+否定形式=unless+肯定形式You wont pass the exaifmyou donwt ork hard.2=You wont pass the exaumnlessyou work hard.If you dongt o to bed earlier,you will feel tired in the morning. =Unlessyo

4、u go to bedearlier,you will feel tired in the morning.If it doesnrtain,he will play with me tomorrow. =Unlessit rains,he will play with metomorrow.If shedoesnctome,Ill go shopping alone =Unless she comes,Ill go shoppingalone.if条件状语从句与祈使句，and/or+般将来时的句子转化If you get up early,youll get there on time.=G

5、et up early,and youll get there on time.=Get up early,or you wont get there on time.If you get up early，you wont be late for school.=Get up early，and you wont be late for school.=Get up early，or you will be late for school.If you dont get up early,you woantch upwtitch the early bus. =Get up early,an

6、dyou will catch up with the early bus.=Get up early,or you wont catch up with the early bus. if条件状语从句与without的句子转化If there is no water,we cant live.=We cant live without water.If there is no water,fish will die.3二 Fish will die without water.If you help me,Ill finish the work soon.二 With your helpfi

7、nish the work soon.if条件状语从句与祈使句，and/or+般将来时的句子转化If you get up early,youll get there on time.=Get up early,and youll get there on time.=Get up early,cr you wont get there on time.If you get up early,you wont be late for school.=Get up early,and you wont be late for school.=Get up early,or you will be

8、 late for school.If you dont get up early,you wont catch up with the early bus.=Get up early,and you will catch up with the early bus =Get up early,or you wont catch up with the early bus 1 your friend_,Ill tell you.A. comeB will come C comes D are coming2. If you go to college you_a good education

9、A will get B.getC. getsD. got3.I want to know if theytomorrow.A. comeB. will come C comes D. came44. Take enough exercise,_youll be in good heath.A.or B.so C.but D.and5.If it_(not rain),he_(play)basketball withme tomorrow.6 lf Uncle Lan_(come),l_(call)you up.7. She must see a dentist if she_(have)a

10、toothache.8. Please wake me up if he_(come)back.9. Hurry up!Or you_(be)late again.10.If you dont bekquiu_(be)late.1. We wont wait for you_you cant arrive on time.A.u ntilB.whe nC.after D.if2. The childre n will go to the zoo if it_(not rain) this Saturday.3f she_work hard,sh_be able to go to colleage.A.not,notB.wont,won C.twont,doesn Dtdpesnt,wont4f I run every day,I_(be)healthier.5.lf it_(not rain),he_(play)with metomorrow.6.She must see a den tist if she_(have)a toothache.7.Study hard,or you_(not pass)the test.58.If you_(not go)to bed earlier,you will feel tired in t