If引导的条件状语从句市公开课一等奖省赛课微课金奖课件.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2021/10/3,#,If,引导条件状语从句,1/10,语法：,例句,：If,people obey the traffic rules,there,will,be fewer accidents.,if引导条件状语从句,if:隶属连词，意思是：“假如，假如，倘若”,从句,主句,There,will,be fewer accidents,if,people obey the traffic rules.,原句可改为：,if引导条件状语从句既能够放在句子前，,也能够放在句子后。,从句位于主句之前时，惯用逗号将其与主句隔开,。,结构,：,2/10,If,it rains tomorrow,I will stay at home,.,If,you are hard-working,your parents may feel happy.,Study hard,if,she wants to get good grades,.,主将,从现,，主情,从现,主祈,从现,，,3/10,if,引导条件状语从句和,if,引导宾语从句区分,:,If,在宾语从句中翻译为,“是否”,If,在条件状语从句中翻译为,“假如”,Ill go to see you if I am free next week.,I want to know if he is a teacher.,whether,1.if,在句中含义不一样,4/10,2.if,在从句中位置不一样,If,引导宾语从句放在主句之后；而,if,引导状语从句可放在主句之前也可放在主句之后,=,If it doesnt rain,I will go out tomorrow.,I will go out tomorrow if it doesnt rain.,I dont know if the train has arrived.,5/10,找出以下句子中哪些是,if,条件状语从句，哪些是,if,宾语从句,1.Can you tell me if she can come to the meeting?,2.She will not go there if it is rainy tomorrow.,3.I cant guess if she will be angry.,4.If we help each other,we both will get good results.,6/10,3.,时态要求上有区分：口诀,If,引导条件状语从句时态为普通现在时 记住,“,主将从现”,1.I want to know if there,a sports meeting next month.,doesnt rain,will be,2.If it,well hold it.,If,引导宾语从句时态由主句及本身时态决定；,If,是否，普通未来；,if,假如，普通现在,7/10,-Sam,do you know if Alice _to my party next week?,-I think she will come if she _ free.,A comes;is,B will come;will be,C will come;is,D comes;will be,8/10,If,引导条件状语从句练习,1,we dont know if it _tomorrow,if it _,we wont go hiking.(snow),The sense of happiness will increase if you _ what you like to do.(do),3 If she _(not get)up early,shell miss the early bus.,4 be quick,please,or you will be late for school.,_you _quick,you will be late for school.,9/10,1.If you _ to the party,youll have a great time.,A.will go B.went C.go D.going,2,I _ her the answer if she _me.,A.can tell,will ask B.will tell,will ask,C.would tell,ask D.will tell,asks,C,D,3.What are you going to do tomorrow?,-Well go to the library tomorrow if it _.,A.isnt rain B.rain C.wont rain D.doesnt rain,4.What will you do if you _ to the old folks home visit?,A.go B.went C.going D.will go,A,D,10/10,