2013人教版新目标八年级上英语_unit10_Section_A_语法重点2.ppt

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1、Unit 10 If you go to the party, youll have a great time!If it _ tomorrow, I _ at home. rainswill stayYou shouldnt walk to school.If you_ the bus to school, you_ late._you walk to school, you_ late.Ifll betakewont beIf it is fine , Ill go swimming.If it rains , we wont go to climb the mountain.If it

2、is windy , children wont go hiking.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 bring food? If we ask people t

3、o bring food, theyll just bring potato chips and chocolate.Grammar Focus 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

4、 wear nice clothes, but I dont _ (have) any.knowdoFill in the blanks with the correct forms of the verbs in brackets. 3a3athinkgowill betellshaveIf I _ (wear) jeans, I _ (look) the worst. Also, Im not sure how to _ (go) to the party. If I _ (walk), it _ _ (take) me too long. If I _ (take) a taxi, it

5、 _ (be) too expensive. Can you give me some advice please?Tinawearwill lookgowalktakewillwill betake1. If I get up late tomorrow, _2. If I dont finish 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 _Complete the sentenc

6、es using your own ideas.3b3bIll miss the bus.my teacher will punish meI wont be healthy.I watch TV every day.I am too shyPair workWrite a story 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

7、. Then read the story. 3c3cI think I will go to the movies tonight. If I go to the movies, I wont finish my homework. If I dont finish my homework 经典例句经典例句1. If you copy my homework this time, you will start a bad habit.2. Ill ask the teacher for help if I dont understand.3. If the traffic lights ar

8、e red, you must stop and wait.4. You can pass the exam if you work hard= Work hard, and you will pass the exam.5. If you dont hurry up, you will be late again. = Hurry up, or you will be late again.1. If you go to the party, youll have a great time.2. If I go to the party, they will be upset.3. If w

9、e ask people to bring food, theyll just bring potato chips and chocolate.4. If we do that, more people will want to play the games.Sentences from this unit:5. If I wear the jean, I will look the worst.6. If I go to the movies, I wont finish my homework.7. If I go to college, Ill never become a great

10、 soccer player.8. What will happen if they have the party today?9. What will happen if they watch a video at the party?10. If we have the party today, half the class wont come.1. _ you _ my homework this time, you _ a bad habit.2. I _ the teacher for help _ I dont _.3. _ the traffic lights _ red, yo

11、u _ _. 4. You _ the exam _ you _ hard= _ hard, and you _ the exam.5. _ you dont _, you _late again. = _, or you _ late again.Ifcopywill startwill askifIfunderstandaremust stop and waitcan passifworkWorkwill passIfhurry upwill beHurry upwill be6. _ you _ to the party, you _ a great time.7. _ I go to

12、the part, they _ upset.8. _ we ask people to bring food, they _ just _ potato chips and chocolate.9. _ we do that, more people _ to play the games.Ifgowill haveIf will beIf willbringIf will want10. _ I wear the jean, I _the worst. 11. _ I go to the movies, I _ finish my homework.12. _ I _ to college

13、, I _ a great soccer player.13. What _ _ they _ the party today?14. What _ happen _ they watch a video at the party?15. _ we _ the party today, half the class _.If will lookIf wont If go ll never becomewill happenifhaveIf havewont comewill ifif条件句条件句条件状语从句中的条件状语从句中的“主将从现主将从现”现象，现象，即即主句为将来时态时主句为将来时态时

14、，从句使用一般现在从句使用一般现在时时表达将来的意思，这时主句和从句所表达将来的意思，这时主句和从句所表达的时态在意义上仍然保持一致。表达的时态在意义上仍然保持一致。如如: If he goes to England, he will have to learn English. 如果他要去英格兰，他将不得不学英如果他要去英格兰，他将不得不学英语。语。If it is fine tomorrow, we will have a picnic somewhere. 如果明天天气好，我们就到什么地方如果明天天气好，我们就到什么地方野餐去。野餐去。这里这里if所引导的是所引导的是真实条件句真实条件句

15、(real conditional), 即所假设的条件有可能成即所假设的条件有可能成为现实，表达假设的条件实现时会出为现实，表达假设的条件实现时会出现的情况或会采取的行为。有时，我现的情况或会采取的行为。有时，我们可以使用并列结构的祈使句来表达们可以使用并列结构的祈使句来表达这种类型的条件句。这种类型的条件句。如如: If you set your alarm clock, you wont oversleep. 如果你上闹钟，你就不会睡过头了。如果你上闹钟，你就不会睡过头了。Set your alarm clock, and you wont oversleep.If you dont gi

16、ve him some food, he will starve. 如果你不给他一点吃的，他就会饿死。如果你不给他一点吃的，他就会饿死。Give him some food, or/else he will starve.在在if-分句中用分句中用“will动词原形动词原形”并不单并不单纯表示将来意义，这里的纯表示将来意义，这里的will是个表示是个表示“意愿意愿”的情态动词，相当于的情态动词，相当于be willing to（愿意）（愿意）。要注意这种带要注意这种带“will动词原形动词原形”的的if-分分句在某些场合是不可以随便用的，比如句在某些场合是不可以随便用的，比如我们可以说：我们可

17、以说：If he gets my letter in time, hell be able to change his plans. 如果他及时收到我的信，他就能改变如果他及时收到我的信，他就能改变他的计划。他的计划。却不可以说成：却不可以说成：If he will get my letter in time, hell be able to change his plans.仿照例子把两句话合成一句话。仿照例子把两句话合成一句话。Example: a. You think you re going to visit New York City.b. You will see some tal

18、l buildings. If you go to visit New York City, youll see some tall buildings. 1. a. You think youre going to study English hard. b. You will do better in English.2. a. You think youre going to eat and drink more. b. You will be fatter. If you study English hard, youll do better in English. If you ea

19、t and drink more, youll be fatter.3. a. They think they are going to do more exercise. b. Their health will be better.4. a. I think you are going to let me watch TV. b. I will stay at home. Their health will be better if they do more exercise. I will stay at home if you let me watch TV.5. a. I think

20、 Chinese team are going to be champions. b. I will be very excited. If Chinese team are champions, I will be very excited.课时重点回顾课时重点回顾If I go to the party, they will be upset.If I wear jeans, I will look the worst.If I walk, it will take me too long.If I take a taxi, it will be too expensive.If I go

21、 to the movies, I wont finish my homework. 将下列句子翻译成英语。将下列句子翻译成英语。1. 如果明天不下雨，我就和同学们去野餐。如果明天不下雨，我就和同学们去野餐。2. 如果周日你去购物的话，我就去。如果周日你去购物的话，我就去。If it doesnt rain tomorrow, I will have a picnic with my classmates.I will go shopping on Sunday if you do.Individual activity3. 如果你想减肥如果你想减肥 （lose weight），就），就 锻炼身体吧。锻炼身体吧。4. 如果冬天来了，春天还会远吗？如果冬天来了，春天还会远吗？5. 如果可能的话，我就去火车站接你。如果可能的话，我就去火车站接你。If (it is) possible, Ill meet you at the train station.Take some exercise if you want to lose weight.If winter comes, can spring be far behind?Individual activity