八年级英语下册Unit5SectionA课件人教新目标版.ppt

Enjoy the song,If you are happy,Lets listen to a song.,If 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.,(If you are happy),If I am happy, I will smile. If they are happy ,they will sing and dance.,Section A,Unit 5 If you go to the party, youll have a great time !,一条牛仔裤 a pair of jeans let 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 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.,if,is,Will be,If it doesnt rain tomorrow, we will go to the park. = Well go to the park if it doesnt rain tomorrow. 如果明天不下雨，我们就去公园。 let sb. in意为“允许某人进入”，in是副词，意思是“在里面、向里面”，作宾语补足语。,如: If he goes to England, he will have to learn English. 如果他要去英格兰, 他将不得不学英语。 If it is fine tomorrow, we will have a picnic somewhere. 如果明天天气好, 我们就到什么地方野餐去。,If 句型,If意为如果，表示条件，if引导的句子是从句，用现在时态，主句则用将来时态。也就是所谓的“主将从现”。 If you eat less, you will be thinner. If you work hard, you will be successful. If you come to school late, your teacher will be angry with you.,Grammar Focus,I think Ill ride my bike. If you do, you will be late. I think Im going to stay at home. If you do, you will be sorry. .扩充： If he does，he will be late.,If she does，she will be sorry,如果明天下雨，我将弹钢琴。 If it is rainy tomorrow, I will play the piano.,Look 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 if 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.,teacher,What will happen if your teacher is angry with you?(If my teacher ,I will),If my teacher is 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.,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 grades.,comes,will ask,work,will get,What will happen if you sleep in class?,If I_ in class, I _ (get) 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 games on weekdays.,What will happen if you play computer games on weekdays?,play,will be,If I _ hard, I_ (get) good grades.,I will get good grades if I study hard.,What will happen if you study hard?,study,will get,(1 ) if will she, call me, I, tell her about it,If she calls me, I will tell her about it.,(2) he,have free time, go to Shanghai ,(3) I ,have much money ,buy a big house,If 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 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,A: What are you going to do tomorrow? B: I think Im going to . A: If you do, you will.,stay at home bored,work until nighttired,Pairwork,hang out with friends/have a good time,2a 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 tests b. help me organize it c. too early d. make some food e. Saturday afternoon f. play party games,1,2,3,4,5,6,Andrea,Mark,2 listen and finish the following questions,1 When will they have the party? A today B tomorrow C Sunday 2 What will happen if they watch a video? A If they do, some students will leave. B If they do, some students will get bored. C If they do, some students will be happy. 3 Who will make the food? A Andrea B Mark C Ann 4 Who will organize the games? A Andrea B Mark C Ann,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?,Make some food. Some students will be bored. Half the class wont come. Play party games. Students will leave early to study for the test.,Listen and Link,2b: listen again and answer the questions.,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.,Mark,Andrea,Andrea: Hi, Mark. I want to have a class party. Will you help me organize it? Mark: Sure, Andrea. I can help you. So when shall we have the party? Andrea: Lets have it today after class. Mark: No, today is too early. If we have it today,_. Andrea: Okay, lets have it tomorrow. Mark: Hmm Theres a test tomorrow. _. Lets have it on the weekend. Andrea: Okay, lets have it on Sunday afternoon. We can all meet and watch a video. Mark: No, I dont think we should watch a video._. Lets _. Andrea: Okay, good idea. Can you organize _? Sure, I can do that. And can you _ for us? Andrea: Yes, thats no problem.,half the class wont come.,Students will leave early to study for the test,Some students will be bored,make some food,play party games.,the party games,Half 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 hours,half an hour,are,is,halves,2c 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? 举行聚会的最佳时间是在什么时候？ to have the party是动词不定式作后置定语，修饰名词time 不定式作定语时，常放在被修饰的词语之后 . 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 do,C,D,Exercises,Fill in the blanks with the words given.,The students will go to the Great Wall if it _ (not rain) tomorrow. If he _ (not do) his homework, hell be late. If she likes it, she _ (read) it soon. If you play computer games on weekdays, you _ (be) tired. If you watch TV tonight, you _ (not study) for the test.,doesnt rain,doesnt do,will read,will be,wont study,I dont know if my brother_ (come) tomorrow. If he_ (come), Ill be happy. 注意宾语从句中的if与条件状语从句if的区别。宾语从句中的if“是否”相当于 whether，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。 我不知道明天是否会下雨。 I dont know if it_ (rain)tomorrow.,will come,comes,will rain,用所给词的正确形式填空。 1.If you _ (be) late, the teacher will be angr