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1、 If you are happyIf youre happy and you know it,clap your hands.If youre happy and you know it,clap(拍手拍手)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(跺脚跺脚)your feet.If youre happy and you know
2、 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
3、 know it,wink your eye.Lets sing.Period 1Unit 5New words&expressionsw1.玩的开心玩的开心w2.组织组织w3.拿走拿走w4.清除，打扫清除，打扫w5.花花w6.在世界各地在世界各地w7.谋生谋生w8.反对反对w9.机会，机遇机会，机遇w10.一直一直have a great timeorganizetake awayclean upfloweraround the worldmake a livingagainst chanceall the timeWhat will happen tomorrow?It will be s
4、unny tomorrow.They will have a trip tomorrow.用用ifif合合并并成成一一句句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，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。可能发生的动作或存在的状态。ifisWill beIf 的用法小结w1.If是连词，作为如果、假如将时，是连词，作为如果、假如将时，引导的句子叫条件状
5、语从句引导的句子叫条件状语从句wif引导的条件状语从句的位置比较灵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句末。但放句首时和主句用逗号隔开。开。w eg:If it rains tomorrow,I will stay at home.If 的用法小结w2。时态的变化。w1.如果主句是如果主句是一般将来时一般将来时时，时，if引导的从句必须用引导的从句必须用一般现在时一般现在时来代来代替一般将来时，表示将来可能发生的动作或存在的状态替一般将来时，表示将来可能发生的动作或存在的状态。wEg:We will go sh
6、opping if it doesnt rain tomorrow.w2。如果主句中含有。如果主句中含有must,may,can等情态动词等情态动词时，从句也要用一时，从句也要用一般现在时。般现在时。wEg:If you eat too much,you may get fat.w3.如果如果主句是祈使句主句是祈使句，从句也要用一般现在时。，从句也要用一般现在时。wEg:Dont watch TV if you dont finish your homework.w4。表示。表示真实条件、客观真理、自然现象、定理定义真实条件、客观真理、自然现象、定理定义.民民 间谚语间谚语等，主从句全用一般现
7、在时等，主从句全用一般现在时w 即即 If+句子句子（一般现在时（一般现在时），），+主句主句（一般现在时）一般现在时）.w例：例：If you study hard,you are sure to succeed.wIf you put ice in a warm place,it turns into water.wIf a glass falls on the floor,it usually breaks wIf you cook a banana,it becomes very soft.If 的用法小结w.此外，祈使句此外，祈使句+and/then/or+一般将来时的一般将来时的陈
8、述句陈述句=if从句从句+主句主句w Work hard,and youll pass the exam.w=If you work hard,you will pass the exam.w Get up early,or you will be late.w=If you dont get up early,you will be late.If 的用法小结w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。wEg:I don t know if it will rain tomorrow.wEg:She asked
9、 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
10、 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 homeboredgo to the partyhave a great timework until nighttiredExercise healthy1a Look at the pictures.Then match the statements
11、 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
12、 you do,youll have a great time.牛仔裤牛仔裤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.1cIf it is sunny this SundayIll go fishing.What will you do if it is sunny this Sunday?.I will go to a university.If I stu
13、dy hard,If I have much money,I will buy a big house.travel all over the world.buy lots of delicious food.she,study hard,she,get good gradesIf 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 stomachacheIf yo
14、u eat too much,you will have a stomachache.I,happy,I,go shoppingIf I am happy,I will go shopping.gogo 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.Becaus
15、e 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 bedoesntgivewont beIll go to the party.And I think if I will give you a Please help me correct the sentences.Rosev Correct and Write2a Listen and numberw_study for t
16、he testw_help me organize itw_too earlyw_make some foodw_Saturday afternoonw_play party games1234562a&2blAndrea:Hi,Mark.I want to have a class _,will you help me _ it?lMark:Sure,Andrea.I can _ you.So when shall we have the party?lAndrea:Lets have it _ after class.lMark:No,today is too_.If we have it
17、 today,_ the class wont _.lAndrea:Okay,lets have it _.lMark:Hmm.there is a_ tomorrow.Students will leave _ to _ for the test.Lets have it on the _.lAndrea:Okay,Lets have it on _ afternoon.We can all meet and _.lMark:No,I dont think we should watch a video.Some students will be bored.Lets play _.lAnd
18、rea:Okay,good idea.Can you _ the party games?lMark:Sure,I can do that.And can you_ some _ for us?lAndrea:Yes,thats no _.partyorganizehelptodayearlyhalfcometomorrowtestearlystudyweekendSaturdaywatch videoparty gamesorganizemakefoodproblem2b listen again and answerWhat will happen if they have the par
19、ty today?What will happen if they have the party tomorrow?What will happen if they watch a video at the party?What is Mark going to organize?What is Andrea going to do?half the class wont come.Students will leave early to study for the test.Some students will be bored.the party gamesmake some food f
20、orsummarywIf引导的条件状语从句的几种类型引导的条件状语从句的几种类型w一、主句是一般将来时，从句用一般现在时。一、主句是一般将来时，从句用一般现在时。w二、主句中含有情态动词二、主句中含有情态动词may,must,should 等。等。从句用一般现在时。从句用一般现在时。w三、主句是祈使句，从句用一般现在时。三、主句是祈使句，从句用一般现在时。w四、如果主句表示的是真实条件、客观真理、自然四、如果主句表示的是真实条件、客观真理、自然现象、定理定义现象、定理定义.民民 间谚语等，主从句全用一般间谚语等，主从句全用一般现在时现在时w此外，此外，If 除了除了引导条件状语从句引导条件状语从句之外，还可以之外，还可以引导引导宾语从句。宾语从句。Homework:wIf you go to the party,what will happen?If you dont go to the party,what will happen?wPlease write a letter to Jenny.Thanks