If-引导的条件状语从句

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If主将从现（主情从现、主祈从现）If itrains tomorrow,!wont climbthe hills.If itdoesnt raintomorrow,!will go to thecountryside withmy friends.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If主将从现（主情从现、主祈从现）If you will help me JHfinish iton time.We maygo outif itsfine tomorrow.If youfinish yourhomework,you canwatch TV.Please callme ifyou go shopping nextSunday.If Igo there,Ill takeher someflowers.Wefll stayat home if itrains tomorrow.Please callmeifhes athome.If you work harder,you11pass theexam.She willvisit hergrandpa ifshe hastime tomorrow.Well takea taxito thecity ifthe traindoesnt arriveon time.The teacherwill beangry ifhe islate.引导的条件状语从句与引导的条件状语从句的转换If unless否定形式肯定形式If+=unless+You wontpass theexam ifyou dontwork hard.=You wontpass theexam unlessyouwork hard.If youdont go to bed earlier,you will feel tired in the morning.=Unless yougo tobedearlier,youwillfeel tiredin themorning.If itdoesnt rain,he will play with me tomorrow.=Unless itrains he willplaywithme tomorrow.5If shedoesnt come.ril goshopping alone^Unless shecomes]’11goshoppingalone.条件状语从句与祈使句,一般将来时的句子转化if and/or+If youget up early,you11get there on time.=Get up early,and youll get thereon time.=Get upearly or you wontget thereon time.9If youget upearly,you wont be late fbr school.=Get upearly,and you wont be late forschool.=Get upearly,or youwill belate fbr school.If youdont get upearly^you wont catch up with the early bus.=Get upearly^and youwill catch up with the early bus.=Get upearly,or you wont catchup withthe earlybus.条件状语从句与的句子转化if withoutIf there is no water,we cantlive.=We cantlive withoutwater.Ifthereisnowater,fish willdie.=Fish willdie withoutwater.」If youhelpme11finish thework soon.=With yourhelp Jfinish thework soon.条件状语从句与祈使句,一般将来时的句子转化if and/or+If youget upearly youllget thereon time.=Get upearly and youllget thereon time.9=Get upearly or you wontgetthereon time.9If yougetupearly,youwontbelate fbrschool.=Get upearly,and youwontbelatefbrschool.=Get upearly,or youwill belatefbrschool.If youdont getupearly5youwontcatchup withthe earlybus.=Get upearly^andyouwill catchupwiththeearlybus.=Get upearly,oryouwontcatchupwiththeearlybus.

1.your friend,IT1tell you.A.come B.will comeC.comes D,are coming

2.If yougo tocollege,you agood education.A.will getB.get C.gets D.got

3.1want toknow ifthey tomorrow.A.come B.will comec comesD.came4Take enoughexercise,youll bein goodheath.A.or B.so C.but D.and

5.1f itnotrain,heplaybasketball withmetomorrow.

1.1f UncleLancomeJcallyou up.

1.5he mustsee adentist ifshehavea toothache.

8.Please wakeme upif hecomeback.

9.Hurry up!Or youbelateagain.lOJf youdont bequick,youbelate.

1.We wontwait foryou youcant arriveontime.A.until B.when C.aft erD.if

2.The childrenwill goto the zoo if itnot rainthisSaturday.

3.If sheworkhard,she beable togotocolieage.A.not,not B.wont,wont C.wont,doesnt D.dpesnt,wont

4.If Irun everydayjbehealthier.让

5.If notrain,heplaywith metomorrow.

6.She mustsee adentist ifshehavea toothache.

7.Study hard,oryounot passthetest.

8.If younotgoto bedearlier youwillfeeltiredinthemorning.

99.If hebefree tomorrowhewillcome toyour birthday9party.lO.We willgotothezooifitnotsnowtomorrow.1l.If itis finetomorrowj gofbra filedtrip.。