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1、Unit 10Section A Period 2 (3a-3c)If you are happyLook at the pictures and make sentences with “if”.If you go to the party with Karen and Anna, youll have a good time.If you wear jeans to the party, the teachers wont let you in. If you take the bus to the party, youll be late for school.If you dont g
2、o to the party, you will be sorry. If you are happy, what will you do?If I am happy, I will play soccer. If you are rich, what will you do?If I am rich, I will buy a big house.If you have a robot, what will you let it do? If I have a robot, I will let it help with the housework. babysit my little br
3、other. wake me up in the morning. teach me English after school.I think Ill take the bus to the party.If you do, youll be late.I think Ill stay at home.If you do, youll be sorry.What will happen if they have the party today?If they have it today, half the class wont come.Should we ask people to brin
4、g food?If we ask people to bring food, theyll just bring potato chips and chocolate.Grammar Focusif 引导的条件状语从句引导的条件状语从句时态时态 - 主将从现主将从现主句用一般将来时，从句用一般现主句用一般将来时，从句用一般现在时来表示将来可能发生的动作或在时来表示将来可能发生的动作或存在的状态存在的状态如果明天下雨，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.（一般现在时）（一般现在时） （一般将来时
5、）（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）主将从现主将从现 If you do, youll be late. Youll be late, if you do.if 条件状语从句条件状语从句It will be sunny tomorrow.We will have a trip tomorrow.We will have a trip if it is sunny tomorrow.If it is sunny tomorrow, we will have a trip.We will have a trip if it is sunny tomorrow.I
6、f it is sunny tomorrow, we will have a trip.主句在前从句紧跟其后主句在前从句紧跟其后 从句在前时，用从句在前时，用“,”与主句隔开与主句隔开 if 条件句不一般，几个要点记心间；条件句不一般，几个要点记心间； 条件句，放在前，逗号要居中间；条件句，放在前，逗号要居中间； 条件句表可能，主句多用将来时；条件句表可能，主句多用将来时； 条件句表事实，主句常用现在时。条件句表事实，主句常用现在时。有关有关if条件状语从句的口诀条件状语从句的口诀If it is hot, I will go to swim with friends.If I go to t
7、he zoo, I will see the animal show.If you go to the party, you will have a great time.If he has free time, he will go for a trip with his students.If she eats too much, she will be very fat.If it rains tomorrow, she will study at home.If I study hard, I will go to Beijing University.3a Fill in the b
8、lanks with the correct forms of the verbs in brackets.Dear Su Mei, I dont _ (know) what to _ (do) about going to Mikes birthday party tomorrow night. My parents _ (think) I should study for my English exam next week. If I _ (go) to the party, they _(be) upset. Mike _ (tell) us to wear nice clothes,
9、but I dont _(have) any. If I _ (wear) jeans, I _ (look)knowdothinkgowill betoldhavewearwill lookthe worst. Also, Im not sure how to _ (go) to the party. If I _(walk), it _ (take) me too long. If I _ (take) the taxi, it _(be) too expensive. Can you give me some advice please?Tinagowalkwill taketakewi
10、ll beWhat will you do if you ?visit old peoples homeclean up in the schoolgo to childrens hospitalA: What will you do if you go to visit the old peoples home?B: If I go there, Ill bring them some flowers.3bComplete the sentences using your own ideas.1. If I get up late tomorrow, _2. If I dont finish
11、 my homework, _3. If I dont get enough exercise, _4. I will not have enough time to study if _5. I will not make any friends if _1. Ill be late for school. 2. My parents will be upset. 3. Ill become very heavy. 4. I play chess after school every day. 5. I dont go to my friends parties.3c Write a sto
12、ry with your group on a piece of paper. The first person begins the story with “I think I will ” The others add sentences with “if ”. Pass the paper around twice. Then read the story.I think I will go to the movies tonight. If I go to the movies, I wont finish my homework. If I dont finish my homewo
13、rk 1. , they will be upset. upset adj. 难过的；失望的；沮丧的难过的；失望的；沮丧的After she died I felt very, very upset. 她去世之后，我非常非常难过。她去世之后，我非常非常难过。Marta looked upset. 玛尔塔一副沮丧的模样。玛尔塔一副沮丧的模样。He was upset over her illness. 他为她的病情而他为她的病情而不安不安。Gina was very u_; her watch was lost again.Im very _ because my best friend did
14、nt invite me to come to his party. A. popular B. happy C. late D. upset psetD2. Can you give me some advice please? advice n. 劝告；建议劝告；建议I asked the teacher for her advice. 我征求这位老师的意见。我征求这位老师的意见。You should follow / take the doctors advice. 你应遵从你应遵从 / 接受医生的忠告。接受医生的忠告。Let me give you a piece of advice.
15、 让我给你提一点建议。让我给你提一点建议。advice通常作为不可数名词，指通常作为不可数名词，指“忠告，忠告，建议建议”等义等义give advice (on /about (doing) sth.) (就就)提出意见提出意见ask sb. for advice 请教某人请教某人listen to advice 听从指教听从指教follow advice 听从劝告听从劝告take the advice 听从劝告听从劝告Could you please give me some a_ on how to learn English well? Im weak in it. Could you
16、give me some _? Why dont you join an English club and do more practice? A. way B. advice C. food D. moneydviceBWhat will happen if you surf the Internet? What will you do if you want to be beautiful and healthy?Choose a number that you like and try to finish the tasks. What will happen if you dont f
17、inish your homework?If I dont finish my homework, the teacher will be angry with me.Number 1Number 1Number 2Number 2 Chain practice：用：用if 条件句接龙条件句接龙（至少（至少4个句子）个句子）提示词提示词:study hard, get good grades, go to university, make a lot of money, travel around the world, have a great time If you are rich, wh
18、at will you do?If I am rich, I will buy a big house.Number 3Number 3If I see the accident (事故事故), I will Number 4Number 4If he comes, what will you do?If he comes, I will give him some flowers.Number 5Number 5If I _, I _ an A.Number 6Number 6看图完成句子看图完成句子study hardwill getNumber 7Number 7give it to t
19、he teacher use up (用完用完) the moneyIf you find a wallet (钱包钱包) on the ground, what will you do?If I _a wallet on the ground, I _.findwill give it to the teacherNumber 8Number 8用用 if 合并为一句话合并为一句话 a. Im going to eat and drink more. b. I will be fatter. If I eat and drink more, I will be fatter.1. - Did
20、 they _ a great time yesterday? - Yes. They enjoyed _. A. have; them B. had; they C. have; themselves D. take; myself2. My parents will take us to the zoo if it _ next Sunday. A. wont rain B. will rain C. rains D. doesnt rain3. I think my mother _ if she _ free tomorrow. A. will come; is B. comes; i
21、s C. comes; will be D. will come; will be4. If she likes it, she _ it soon. A. read B. reads C. will read D. reading5. If I _ much money in the future, I will travel all over the world. A. have B. has C. having D. will have6. If you play computer games on weekdays, you _ tired. A. are B. will C. be
22、D. will be Mrs. Black will come to help us if she _ too busy tomorrow. A. is B. will be C. wont D. isnt解析：解析：“如果布莱克夫人明天不是很忙如果布莱克夫人明天不是很忙的话，她会来帮助我们的话，她会来帮助我们”。在。在if引导的引导的条件状语从句中，若主句用一般将来时，条件状语从句中，若主句用一般将来时，从句要用一般现在时表示将来。根据题从句要用一般现在时表示将来。根据题意可知选意可知选 D。He will go out with you after he _ his homework. A
23、. finishes B. will finish C. is finishing D. finish解析：解析： 在在after 引导的时间状语从句中，引导的时间状语从句中，主句用一般将来时，从句用一般现在时主句用一般将来时，从句用一般现在时表示将来；表示将来；he为第三人称单数，故选为第三人称单数，故选A。 Stop smoking, Joe! You _ yourself if you keep on doing it like that! （2015重庆重庆A/C卷）卷） A. will kill B. have killed C. kill D. killed Too many pe
24、ople were absent. The chairperson warned that he _ the meeting if necessary. （2015无锡）无锡） A. would cancel B. cancelled C. would start D. started【2012四川雅安市】四川雅安市】 If a polar bear_, it _ fish from the water. A. will be hungry; catches B. is hungry; will catch C. is going to be hungry; catches D. is hun
25、gry; wont catch【解析解析】考查考查 if 引导的条件状语从句。当主引导的条件状语从句。当主句是一般将来时，句是一般将来时，if引导的条件状语从句应引导的条件状语从句应该用一般现在时。句意为该用一般现在时。句意为“如果这个星期如果这个星期天不下雨的话，我们就去野餐天不下雨的话，我们就去野餐”。故选。故选B。【2012福建福州福建福州】 Well go for a picnic if it _ this Sunday. Wish you a lovely weekend. A. rain B. doesnt rain C. wont rain【2011北京北京】 I will se
26、nd you an e-mail as soon as I _ in Canada.A. arrive B. arrived C. am arriving D. will arrive【解析解析】本题考查状语从句的时态。当主句本题考查状语从句的时态。当主句是将来时态时，状语从句用一般时态来代替是将来时态时，状语从句用一般时态来代替将来时，所以选择答案将来时，所以选择答案A。【2011陕西】陕西】If there _ no buying and selling of animals, there _ no killing in nature.A. is; will be B. will be; will be C. is; is D. will be; is【解析解析】本题考查本题考查if引导的状语从句的时态。引导的状语从句的时态。if 意为意为“如果如果”，引导条件状语从句，主将，引导条件状语从句，主将从现。故选从现。故选A。