Unit 5 If you go to the party, youll have a great time.Teaching aimsTeaching content: Section A: 1a, 1b, 1cAims: Talk about consequences. Introduce conditional clause with “if” Structure: I think I am going to take the bus to the party. If you do, you will be late.If he is happy, he willLets guessplay the guitarIf she is happy,she will. eat some foodIf she is happy ,she willIf they are happy, they will dancePlay a guessing game What will happen if I touch(触摸触摸) it?If you touch(触，碰触，碰) it, it will _get angryWill it ?crybe happybe excitedA: If you are happy, what will you do ?B: If Im happy, I will_Watch TVplay sportsgo to travelplay computerwatch cartoon When do you get up on weekends? What will happen if you get up at 9:00 this morning ? If I get up at 9:00, I will be late. What will happen if you are late? If I am late, my teacher will be angry with me.What will happen if your teacher is angry with you?If my teacher is angry with me, I will be sad. What will happen if you are sad? If I am sad, I will chat with my friends.If it rains this weekend, But, if it rains this weekendI will stay at home.If it is sunny this weekendIf it is sunny this weekend, I will go to the party.party!If you go to the party, youll have a great time. will have a great time.If you go to the party, you(have a great time)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. 1bListen Were your answers to activity 1a correct?备注：备注：do (does/did ),是代替上文出现的，是避免重复的出现，是代替上文出现的，是避免重复的出现， 例子：例子：He doesnt want to buy a book. But I do . I dont want to go shopping, but she _(do) She didnt go to London, but Lucy _ (do)doesdid一条牛仔裤一条牛仔裤 a pair of jeans let sb in 让某人进入（来）让某人进入（来）是动副结构是动副结构代词是宾语时必须放在代词是宾语时必须放在中间中间。其反义词为其反义词为let sb out让某人出让某人出去去别让那个男孩儿进来！别让那个男孩儿进来！Dont let the boy in !让他出去！让他出去！Let him out. organize the party games组织聚会游戏组织聚会游戏sorry 难过的，不安的，懊悔的；抱歉，对不起难过的，不安的，懊悔的；抱歉，对不起 e.g. I am sorry to hear your bad news. You will be sorry about this later.eat too much ice cream (fat) If, willwatch too much TV (tired) If, will not finish homework (angry) If, will如果明天下雨，我将在家弹钢琴。如果明天下雨，我将在家弹钢琴。If it is rainy tomorrow, I will play the piano At home. be rainy play the pianonot get up early (miss the bus) If,will（一般现在时）（一般现在时）（一般将来时）（一般将来时）（一般现在时）（一般现在时）（一般将来时）（一般将来时）主主将将从从现现What will happen tomorrow ?It will be sunny tomorrow.We will have a trip tomorrow.用用ifif合合并并成成一一句句We 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在此引导一个条件状语从句。当主句是一般将来时时，时，if引导的引导的从句必须用现在时从句必须用现在时来表示将来可能发生的动来表示将来可能发生的动作或存在的状态。作或存在的状态。 she, call me, I, tell her about itIf she calls me, I will tell her about it. he ,come, next weekend, I ,tell you If he comes next weekend, I will tell you. not rain , hiking , this afternoon If it doesnt rain, I will go hiking this afternoon. no war, the world, more beautiful,If there is no war, the world will be more beautiful. she, not exercise enough, heavierIf she doesnt exercise enough, she will be heavier. he, free time, Shanghai , If he has free time, he will go to Shanghai. she, study hard, dream, come trueIf she studies hard, her dream will come true.a lot of money , build, school, poorIf I have a lot of money, I will build a school for poor children. gogo it, sunny, she, fly a kiteIf it is sunny, she will fly a kite. you, eat too much, stomachacheIf you eat too much,you will have a stomachache.gogoIf you have a robot, what will you do? If I have a robot, I will What will you do with the money if you have have lots of money?I will MarkAndreaTask2: 2a Listen and number these phrases in the order you hear them. a. study for their testsb. help me organize itc. too earlyd. make some foode. Saturday afternoonf. play party games组织组织123456AndreaMark玩舞会游戏玩舞会游戏Task3:2b: fill in the blanksWhat will happen if they have the party 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?Mark is going to organize the party games.Some students will be bored.Students will leave early to study for their test.Half the class wont come.Andrea is going to make some food.MarkAndrea半数的学生半数的学生 Half the class wont come. 一半的同学将不会来。一半的同学将不会来。half的用法：的用法：1 half adj. 一半的，一般要放在冠词、物主代词或指示一半的，一般要放在冠词、物主代词或指示代词之前。半小时代词之前。半小时_“half + 名词名词” 作主语时，谓语动词的单、复数形式由作主语时，谓语动词的单、复数形式由所接名词的单、复数形式来决定，名词是中心词。所接名词的单、复数形式来决定，名词是中心词。 Half the apples_ bad. 这些苹果中有一半是坏的。这些苹果中有一半是坏的。Half the apple _ bad. 这个苹果一半是坏的这个苹果一半是坏的 2 Half 还可作名词，意为还可作名词，意为“半，一半半，一半”其复数形式为其复数形式为_.“个半个半”可表达为可表达为“数词数词 + 名词名词 + and a half”或或“数词数词 + and a half + 名词（复数名词（复数）”。例如：。例如：三个半小时三个半小时 three hours and a half three and a half hours half an hour areishalvesWhen is a good time to have the party? 举行聚会的最佳时间是在什么时候？举行聚会的最佳时间是在什么时候？ to have the party是动词不定式作后置定语，修是动词不定式作后置定语，修饰名词饰名词 time,不定式作定语时，常放在被修饰的词不定式作定语时，常放在被修饰的词语之后语之后. Would you like something _?A. drink B. drinking C. to drink D. drinks . I have a lot of homework _.A. do B. doing C. did D. to doCDI dont know if my brother_ (come) tomorrow. If he_ (come), Ill be happy.注意宾语从句中的注意宾语从句中的 if 与条件状语从句与条件状语从句if的区的区别。宾语从句中的别。宾语从句中的 if “是否是否”相当于相当于 whether，宾语从句通常位于主句之后。引，宾语从句通常位于主句之后。引导宾语从句，时态需根据语境确定。导宾语从句，时态需根据语境确定。我不知道明天是否会下雨。我不知道明天是否会下雨。 I dont know if it_ (rain)tomorrow. will comecomes will rainif 引导的条件状语从句引导的条件状语从句时态主将从现时态主将从现主句一般将来时，从句一般现在时e.g1.如果你努力工作，你的梦想将会实现如果你努力工作，你的梦想将会实现If you work hard, your dream will come true. 2.如果明天下雨，我将不出去散步如果明天下雨，我将不出去散步If it rains tomorrow,I wont go out for a walk.条件状语从句通常由连词条件状语从句通常由连词if引导，意为引导，意为“如果、如果、假如假如”，主句不能用，主句不能用be going to表示将来，表示将来，而应该用而应该用will, shall(主语为第一人称）主语为第一人称）if条件状语从句中，主句用一条件状语从句中，主句用一般将来时，从句用一般现在般将来时，从句用一般现在时表示将来。时表示将来。 If you wont hurry up, you will miss the early bus.If you dont hurry up, you will miss the early bus.Whats the rule? （1）If you., you will.条件状语从句if条件状语从句中，如果主句条件状语从句中，如果主句有有must，can，may等情态动等情态动词，从句用一般现在时词，从句用一般现在时。 You must stop if the traffic light is red.You may go fishing if you are free.He can go home if he finishes his homework.Whats the rule? （2）if条件状语从句中，如果主句条件状语从句中，如果主句是祈使句，从句用一般现在时。是祈使句，从句用一般现在时。 Let me know if he comes.Dont wait for me if I am late.Put up your hands if you have any questions.Whats the rule? （3）2. If条件状语从句中，如果主句有must，can，may等情态动词，从句用一般现在时。（主情从现） 3. If条件状语从句中，如果主句是祈使句，从句用一般现在时。（主祈从现） 1. If条件状语从句中，主句用一般将来时，从句用一般现在时表示将来。（主将从现） Rules If 条件句歌诀:条件句，放在前，条件句，放在前， 逗号要放句中间逗号要放句中间; ; 条件句表可能，条件句表可能， 从句多用从句多用现在时现在时, , 主句多用主句多用将来时将来时. .3.If Mary (buy) the book, she will use up all her money. 1.If I (be) free, Ill visit my aunt next Sunday.4.If she (study) hard, shell win the English competition.2.If it (be) cold tomorrow, I will wear my sweater. amisbuysstudiesExercise (1):5. If a UFO (land) in front of me, I (go) in to look for the alien.landswill go Exercise (2):1.Call me if the boss (will come/comes).comes2. She must see a dentist if she (has/will have) a toothache.has3.Have a good rest if you (will be/are) tired.are4.You can go shopping with your sister if you (have/will have) time this afternoon. have5.If there (will be/ is) a car accident, they (will call/call) 110 at once. iswill call Dear Jenny, Thanks for inviting（邀请）（邀请） 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 bedoesntgivewont beIll go to the party. And I think if I will give you a Please help me correct the sentences.Rosev Correct and Write（礼物）（礼物）Homework 练习册section A每人写8个if 引导的条件状语从句1. If it _, they will not go bike riding. A. rains B. wont rain C. was raining D. doesnt rain 2. I think Gina is going to wear jeans to the party. If she _, the teachers will not let her in. A is B. do C. has D. does 3. I think Im going to walk there. _ A. If you do, youll be late. B. Not really. C. Why so? D. Thank you. 4. Will you go to the park if it _ fine? A. will be B. was C. is D. / 1.If he _(go) to the movies, he wont finish his work. 2.If he _(become) a doctor, he can help others. 3.If you _(have )time, we will go to the park tomorrow. 4.Im sure if he _(go) to the party, he_ (have) a great time. 5.Ill buy a computer if I _(have) enough money.用括号内所给动词的适当形式填空用括号内所给动词的适当形式填空goesbecomeshavegoeswill havehaveExercisesFill in the blanks with the words given.1.The students will go to the Great Wall if it _ (not rain) tomorrow.2.If he _ (not do) his homework, hell be late.3.If she likes it, she _ (read) it soon.4.If you play computer games on weekdays, you _ (be) tired.5.If you watch TV tonight, you _ (not study) for the test.doesnt raindoesnt dowill readwill bewont study 用所给词的正确形式填空。用所给词的正确形式填空。1.If you _ (be) late, the teacher will be angry.2.We dont know if it _ tomorrow (snow).3.He _(become) a soccer player if he works hard.4. You _(be) famous if you sing well.arewill snowwill becomewill be5 Half of these bananas _(be) bad.6 Half of the boys _(like) basketball.arelikeIf you are happyUnit 5If you go to the party, you will have a great time!(section B)Summary 条件状语从句条件状语从句1.常用关联词常用关联词 if（如果）（如果）引导。引导。 2. if 引导的状语从句可放引导的状语从句可放在主句前，也可在主句后在主句前，也可在主句后3.主句谓语动词是一般将主句谓语动词是一般将来时，从句时态通常用来时，从句时态通常用一一般现在时般现在时。找一找规律，你能发现什么？ If you go to the party, youll have a great time. If she does exercise, she will be healthy. If he works hard, he will be successful.If you are late for school, the teachers wont let you in.