八年级上UNIT10SectionA2课件.ppt

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1、Look 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 go to the party, you will be sorry. If you have a

2、robot, what will you do? If I have a robot, I will let ithelp with the housework.babysit my little brother.wake me up in the morning.teach me English after school.1. 我想我将会乘公共汽车去参加聚会。我想我将会乘公共汽车去参加聚会。 I _ Ill take the bus to the _. 2. 如果你那样做，你将会迟到。如果你那样做，你将会迟到。 If you _, _ be late. do youllthink party

3、 根据课本内容，完成下列句子。根据课本内容，完成下列句子。 3. 我想我将待在家里。我想我将待在家里。 I _ _ stay at home. 4. 如果你那样做，你将会觉得很抱歉。如果你那样做，你将会觉得很抱歉。 If you _, _ _ sorry. 5. 如果他们今天聚会，将会发生什如果他们今天聚会，将会发生什 么事？么事？ _ _ _ if they _ the party today?think Illdo youll be What will happen have6. 如果他们今天聚会，班里一半的学生将如果他们今天聚会，班里一半的学生将 不会去。不会去。 If they _ t

4、he party today, _ the class _ come. 7. 我们应当要求人们带食物来吗？我们应当要求人们带食物来吗？ Should we _ people to _ food? have halfwontask bring8. 如果我们要求人们带食物来时，他们如果我们要求人们带食物来时，他们 将会只带薯条和巧克力。将会只带薯条和巧克力。 _ we _ people to bring food, _ just _ potato chips and chocolate. If asktheyll bring例如：例如：We will go to the park if it _

5、_ (rain) tomorrow. 含含if条件状语从句的主从复合句条件状语从句的主从复合句1. if 条件状语从句中，主句用一般将来条件状语从句中，主句用一般将来 时，从句用时，从句用_表示将来。表示将来。 _原则。原则。doesnt主将从现主将从现rain一般现在时一般现在时2. if 条件状语从句中，如果主句有条件状语从句中，如果主句有 must，can，may 等情态动词，从等情态动词，从 句用句用_。 例如：例如：You must stop if the traffic light _ (be) red.is一般现在时一般现在时例如：例如：Don t wait for me if

6、I _ (be) late.3. if 条件状语从句中，主句是祈使句，条件状语从句中，主句是祈使句， 从句用从句用_表示将来。表示将来。 _原则。原则。am主祈从现主祈从现一般现在时一般现在时2. If it _ (be) cold tomorrow, I will wear my sweater. 3. He can go home if he _ (finish) his homework.finishes1. Put up your hands if you _ (have) any questions.haveis if will she, call me, I, tell her a

7、bout 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, go hiking, this afternoon If it doesnt rain, I will go hiking this afternoon. no war, the world, more beautifulIf there is no war, the world will be more beautif

8、ul. he, have free time, go to Shanghai If he has free time, he will go to Shanghai. upset adj. 难过；失望；沮丧难过；失望；沮丧e.g. Mom will be upset if I forget it again. 如果我再忘记，我妈妈会失望的。如果我再忘记，我妈妈会失望的。e.g. Youd better order a taxi. 你最好提前预定一辆的士。你最好提前预定一辆的士。taxi n. 出租车；的士出租车；的士advice n. 劝告；建议劝告；建议 （不可数名词）（不可数名词） e.g

9、. Can you give me some advice? 能请你给我一些建议吗？能请你给我一些建议吗？e.g. Let me give you a piece of advice. 我来给你出个点子。我来给你出个点子。a piece of advice/ a word of advice 一条建议；一则忠告一条建议；一则忠告Dear Su Mei, I dont _ (know) what to _ (do) about going to Mikes birthday party tomorrow night. My parents _ (think) I should study for

10、 my English exam next week. If I _ (go) to the party, they _ (be) upset.3aFill in the blanks with the correct forms of the verbs in brackets.knowdothinkgowill beMike _ (tell) us to wear nice clothes, but I dont _ (have) any. If I _ (wear) jeans, I _ (look) the worst. Also, Im not sure how to _ (go)

11、to the party. If I _ (walk), it _ (take) me too long. If I _ (take) a taxi, it _ (be) too expensive. Can you give me some advice please?Tina tellshavewearwill lookgowalkwill taketakewill be1. know; do 句意句意“我不知道明晚参加我不知道明晚参加迈克的生日聚会的事怎么做？迈克的生日聚会的事怎么做？”dont 后跟动词原形；后跟动词原形；what to + 动词形式动词形式，复合不定式结构。复合不定式

12、结构。2. think 本句表达一客观事实，主语本句表达一客观事实，主语parents是复数形式，故用一般现在是复数形式，故用一般现在时态。句意时态。句意“我父母认为我应当为我父母认为我应当为下周的英语考试而学习下周的英语考试而学习” 。 3. go; will be 本句是含本句是含 if 条件状语从句条件状语从句的主从复合句；应遵循主将从现原则。的主从复合句；应遵循主将从现原则。句意句意“如果我去参加聚会，他们会很如果我去参加聚会，他们会很失望。失望。”4. tells; have 本句为本句为 but 连接的并列句，连接的并列句，后半句为一般现在时，故前半句也应后半句为一般现在时，故前半

13、句也应是一般现在时，主语是一般现在时，主语 Mike 是第三人称是第三人称单数形式，故填单数形式，故填 tells；dont 后跟动词后跟动词原形。原形。5. wear; will look 本句为含本句为含if条件状语从条件状语从句的主从复合句，应循主将从现原则。句的主从复合句，应循主将从现原则。句意句意“如果我穿牛仔，我看起来会很糟如果我穿牛仔，我看起来会很糟糕。糕。”6. go; how to + 动词原形动词原形 表示表示“如何做如何做某事某事”，是复合不定式结构。，是复合不定式结构。8. take; will be 本句为含本句为含if条件状语从句条件状语从句的主从复合句，应循主将从

14、现原则。的主从复合句，应循主将从现原则。句意句意“如果我乘出租车去，又将会很如果我乘出租车去，又将会很贵。贵。” 。7. walk; will take 本句为含本句为含if条件状语从句条件状语从句的主从复合句，应循主将从现原则。句的主从复合句，应循主将从现原则。句意意“如果我步行去，将会花费我很多时如果我步行去，将会花费我很多时间。间。”Complete the sentences using your own ideas.1. If I get up late tomorrow, _2. If I dont finish my homework, _3. If I dont get eno

15、ugh exercise, _4. I will not have enough time to study if _5. I will not make any friends if _3b1. 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.1. Call me if Tina _ (will come/comes).comes2.

16、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

17、Write a story with your group on a piece of paper. The first person begins the story with “I think I will” The others add some 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 homework If I dont do well in my test, my parents will be upset.If I dont finish my homework, I wont do well in my test.