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1、Enjoy the songIf I am happy, I will smile.If they are happy ,they will sing and dance.Section AUnit 5 If you go to the party, youll have a great time !一条牛仔裤a pair of jeanslet sb in 让某人进入（来）是动副结构 代词是宾语时必须放在中间。 其反义词为let sb out让某人出 去 别让那个男孩儿进来！ Dont let the boy in ! 让他出去！ Let him out.organize the party
2、 games 组织聚会游戏What will happen tomorrow ?It will be sunny tomorrow.They will play football tomorrow.用if合并成一句They will play football if it is sunny tomorrow.If it is sunny tomorrow, they will play football.ifisWill be如果明天下雨，我将弹钢琴。 If it is rainy tomorrow, I will play the piano.be rainy play the pianoL
3、ook at the picture and make up sentences using “if”.Exercise healthy如果我锻炼，我将健康。 If I exercise, I will be healthy.When do you get up on weekends?(9:00)I get up at 9:00 on weekends. What will happen if you get up at 9:00 this morning ? (If I ,I will)If I get up at 9:00, I will be late.I will be late i
4、f I get up at 9:00.What will happen if you are late for school? (If I,my teacher will )If I am late for school, my teacher will be angry with me.My teacher will be angry with me if I am late for school.teacherWhat will happen if your teacher is angry with you?(If my teacher ,I will)If my teacher is
5、angry with me, I will be sad.I will be sad if my teacher is angry with me.What will happen if you get up at 9:00 this morning ?If I get up at 9:00, I will be late.If I am late, my teacher will be angry with me.If my teacher is angry with me, I will be sad.If I am sad, I will talk with my best friend
6、.if “如果”， 引导的条件状语从句 1 时态主将从现 主句一般将来时，从句一般现在时2 条件状语从句通常由连词if引导，意为“如果、假 如”，主句不能用be going to表示将来，而应该用 will, shall(主语为第一人称）1. If she ( come) here tomorrow,I (ask) her to call you.2. If we (work) harder, we (get) better es will askwork will getWhat will happen if you sleep in class?If I_ in class, I _ (g
7、et) bad grades.I will get bad grades if I sleep in class.sleep will get 温馨提示: if引导的 条件状语从句既可放 在主句前,也可放在主 句后.从句置于主句前 时,须有逗号与主句隔 开,反之则不用逗号.If I _computer games on weekdays , I _(be) very tired in class.I ll be very tired in class if I play computer gameson weekdays.What will happen if you play compute
8、r games on weekdays?playwill beIf I _ hard, I_ (get) good grades.I will get good grades if I study hard.What will happen if you study hard?studywill get(1 ) if will she, call me, I, tell her about itIf she calls me, I will tell her about it.(2) he,have free time, go to Shanghai ,(3) I ,have much mon
9、ey ,buy a big houseIf he has free time, he will go to Shanghai.If I have much money,I will buy a big house.Make up sentences using “if”.A: I think I am going to the party. B: If you do, you will have a great time.=If you go to the party, you will have a great time.1a Look at the pictures. Then match
10、 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 y
11、ou 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.1cA: What are you going to do tomorrow ? B: I think Im going to . A: If you do, you will .
12、stay at homeboredwork until nighttiredhang out with friends/have a good time2a Listen and number these phrases in the order you hear them. （听对话，按听到词组的顺序编号。 ）a. study for their testsb. help me organize itc. too earlyd. make some foode. Saturday afternoonf. play party games123456AndreaMark2b: listen a
13、gain and answer the questions. What 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
14、 be bored.Students will leave early to study for their test.Half the class wont come.Andrea is going to make some food.MarkAndreaHalf the class wont come. 一半的同学将不会来。 half的用法： 1 half adj. 一半的，一般要放在冠词、物主代词或指示 代词之前。半小时_ “half + 名词” 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。 Half the apples_ bad. 这些苹果中有一半
15、是坏的。 Half the apple _ bad. 这个苹果一半是坏的 2 Half 还可作名词，意为“半，一半”其复数形式为_. “个半”可表达为“数词 + 名词 + and a half”或“ 数词 + and a half + 名词（复数）”。例如： 三个半小时three hours and a half three and a half hourshalf an hourare is halves2c Pairwork Look at the chart and role play the conversation between Andrea and her friend. A: OK, when is a good time to have the party?B: Lets have it today.A: If we have it today, half the class wont come.When is a good time to have the party? 举行聚会的最佳时
