八年级英语下册Unit5-If-you-go-to-the-party课件.ppt

If you are happyIf youre happy and you know it,clap your hands.If youre happy and you know it,clap(拍手)your hands.If youre happy and you know it.Never be afraid to show it.If youre happy and you know it,clap your hands.If youre happy and you know it,stomp(跺脚)your feet.If youre happy and you know it,stomp your feet.If youre happy and you know it.Never be afraid to show it.If youre happy and you know it,stomp your feet.If youre happy and you know it,wink(眨眼)your eye.If youre happy and you know it,wink your eye.If youre happy and you know it.Never be afraid to show it.If youre happy and you know it,wink your eye.,Lets sing.,If you go to the party,youll have a great time!,Period 1,Unit 5,New words&expressions,1.玩的开心2.组织3.拿走4.清除，打扫5.花6.在世界各地7.谋生8.反对9.机会，机遇10.一直,have a great timeorganizetake awayclean upfloweraround the worldmake a livingagainst chanceall the time,What will happen tomorrow?,It will be sunny tomorrow.,They will have a trip tomorrow.,用if合并成一句,They will have a trip if it is sunny tomorrow.,If在此引导一个条件状语从句。当主句是一般将来时时，if引导的从句必须用一般现在时来代替一般将来时，表示将来可能发生的动作或存在的状态。,if,is,Will be,If 的用法小结,1.If是连词，作为如果、假如将时，引导的句子叫条件状语从句if引导的条件状语从句的位置比较灵活，既可以置于句首，也可以置于句末。但放句首时和主句用逗号隔开。eg:If it rains tomorrow,I will stay at home.,If 的用法小结,2。时态的变化。1.如果主句是一般将来时时，if引导的从句必须用一般现在时来代替一般将来时，表示将来可能发生的动作或存在的状态。Eg:We will go shopping if it doesnt rain tomorrow.2。如果主句中含有must,may,can等情态动词时，从句也要用一般现在时。Eg:If you eat too much,you may get fat.3.如果主句是祈使句，从句也要用一般现在时。Eg:Dont watch TV if you dont finish your homework.4。表示真实条件、客观真理、自然现象、定理定义.民 间谚语等，主从句全用一般现在时 即 If+句子（一般现在时），+主句（一般现在时）.例：If you study hard,you are sure to succeed.If you put ice in a warm place,it turns into water.If a glass falls on the floor,it usually breaks If you cook a banana,it becomes very soft.,If 的用法小结,.此外，祈使句+and/then/or+一般将来时的陈述句=if从句+主句 Work hard,and youll pass the exam.=If you work hard,you will pass the exam.Get up early,or you will be late.=If you dont get up early,you will be late.,If 的用法小结,此外，If 除了引导条件状语从句之外，还可以引导宾语从句，意为“是否”，此时，if 引导的宾语从句中可以用将来时或其它时态。Eg:I don t know if it will rain tomorrow.Eg:She asked if I was interested in math.,*pairwork:,If I am happy,I will smile/sing.,*If you become sad,what will you do?,If I become sad,I will cry.,*What will happen if you do too much work?,If I do too much work,I will get tired.,I think Im going to stay at home.(Be bored),What are you going to do this weekend?,What are you going to do this Saturday?,What are you going to do tomorrow?,A:What are you going to do tomorrow?B:I think Im going to exercise.A:If you do,youll be healthy.,stay at homebored,go to the partyhave a great time,work until nighttired,Exercise healthy,Pairwork,1a Look at the pictures.Then match the statements with responses.,1.I think Im going to go to the party with Karen and Ann.2.I think Im going to wear jeans to the party.3.I think Im going to take the bus to the party.4.I think Im going to stay at home.,a.If you do,the teachers wont let you in.b.If you do,youll be late.c.If you do,youll be sorry.d.If you do,youll have a great time.,牛仔裤,1b Listen.Were your answers to activity 1a correct?,A:What are you going to do?B:I think Im going to stay at home.A:If you do,youll be sorry.,Pairwork,1c,If it is sunny this Sunday,Ill go fishing.,What will you do if it is sunny this Sunday?,.I will go to a university.,If I study hard,If I have much money,I will buy a big house.,travel all over the world.,buy lots of delicious food.,Competition,VS,she,study hard,she,get good grades,If she studies hard,she will get good grades.,he,have free time,go to Shanghai,If he has free time,he will go to Shanghai.,you,eat too much,have a stomachache,If you eat too much,you will have a stomachache.,I,happy,I,go shopping,If I am happy,I will go shopping.,go,not rain,go hiking,this afternoon,If it doesnt rain,I will go hiking this afternoon.,Dear Jenny,Thanks for inviting me to the party.Of course,present,you are happy.I hope it wont rain that day.,Because if it wont rain,my little son will come,too.,If he comes,you arent disappointed,he is really funny.,OK,see you on the party.,Yours,will be,doesnt,give,wont be,Ill go to the party.And I think if I will give you a,Please help me correct the sentences.,Rose,Correct and Write,2a Listen and number,_study for the test_help me organize it_too early_make some food_Saturday afternoon_play party games,1,2,3,4,5,6,2a&2b,Andrea:Hi,Mark.I want to have a class _,will you help me _ it?Mark:Sure,Andrea.I can _ you.So when shall we have the party?Andrea:Lets have it _ after class.Mark:No,today is too_.If we have it today,_ the class wont _.Andrea:Okay,lets have it _.Mark:Hmm.there is a_ tomorrow.Students will leave _ to _ for the test.Lets have it on the _.Andrea:Okay,Lets have it on _ afternoon.We can all meet and _.Mark:No,I dont think we should watch a video.Some students will be bored.Lets play _.Andrea:Okay,good idea.Can you _ the party games?Mark:Sure,I can do that.And can you_ some _ for us?Andrea:Yes,thats no _.,party,organize,help,today,early,half,come,tomorrow,test,early,study,weekend,Saturday,watch video,party games,organize,make,food,problem,2b listen again and answer,half the class wont come.,Students will leave early to study for the test.,Some students will be bored.,the party games,make some food for,summary,If引导的条件状语从句的几种类型一、主句是一般将来时，从句用一般现在时。二、主句中含有情态动词may,must,should 等。从句用一般现在时。三、主句是祈使句，从句用一般现在时。四、如果主句表示的是真实条件、客观真理、自然现象、定理定义.民 间谚语等，主从句全用一般现在时此外，If 除了引导条件状语从句之外，还可以引导宾语从句。,Homework:,If you go to the party,what will happen?If you dont go to the party,what will happen?Please write a letter to Jenny.,Thanks,