if条件状语从句语法好用省公共课一等奖全国赛课获奖课件.pptx

If从句（条件状语从句）从句（条件状语从句）第1页If it is fine tomorrow,I will climb the mountain.第2页If it is sunny this weekend,what will you do?If it is sunny this weekend,I _ football with my classmates.will play第3页If it is sunny this weekend,what wont you do?If it is sunny this weekend,I _.If it is sunny this weekend,I _.Wont stay at home wont watch television 第4页If you have enough pocket money,what will you buy?If I have enough pocket money,I _.第5页If I dont finish my homework,I wont go to bed.由由if引导从句叫条件状语从句，引导从句叫条件状语从句，if意为意为“假如假如”当主句是普通未来时时，当主句是普通未来时时，if引导从句必须用现在引导从句必须用现在时来表示未来可能发生动作或存在状态。时来表示未来可能发生动作或存在状态。（“主主”将从将从“现现”）If I get up late,I will be late for school.=I will be late for school if I get up late.Grammar条件状语从句条件状语从句第6页1.主将从祈主将从祈2.主将从现主将从现 if will/wont3.主情（主情（can，may，should，must）从）从现现第7页If Im hungry,I will_.If Im tired,I will_.Look and sayeat some foodhave a rest第8页If you feel hungry,you should eat something.If you feel tired,you must have a rest.第9页If Im ill,_.I will see a doctorLook and sayIf Im late,_.I will say sorry 第10页If you are ill,you should go to see a doctor.If you are riding a bike in the street,you must be very careful.第11页If it rains tomorrow,I_.will watch TV at homeIf it _ tomorrow,_.Ill play basketballdoesnt rainI wont_.play basketball第12页Ifyouarefreethisweekend,whatwillyoudo?IfIamfree,sleepwatch TVplay computer gamespractice第13页Complete the sentences with the correct form of the words.1.If you _(listen)to the music,_(buy)a CD.2.If he_(be)late for school,_(not wait)for him.3.If you _(buy)a new camera,_(get)a good one.4.If the light _(not come)on,_(wait)for one minute.isbuygetdoesnt comewaitdont wait listenbuy第14页e.g.1.If you dont get up early,you will be late for school.你假你假如不早点起床，上学就会迟到。如不早点起床，上学就会迟到。2.If you finish the homework，you can go home假如你作业做完了就能够回家了。假如你作业做完了就能够回家了。第15页第16页