人教版八年級下冊 Uit5Section A 課件PPT
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1、Unit 5 If you go to the party, youll have a great time.Teaching aims Teaching content: Section A: 1a, 1b, 1c Aims: Talk about consequences. Introduce conditional clause with “if” Structure: I think I am going to take the bus to the party. If you do, you will be late.If he is happy, he willLets guess
2、play the guitarIf she is happy,she will. eat some foodIf she is happy ,she willIf they are happy, they will dancePlay a guessing game What will happen if I touch(觸摸觸摸) it?If you touch(觸,碰觸,碰) it, it will _get angryWill it ?crybe happybe excitedA: If you are happy, what will you do ?B: If Im happy, I
3、 will_Watch TVplay sportsgo to travelplay computerwatch cartoon When do you get up on weekends? What will happen if you get up at 9:00 this morning ? If I get up at 9:00, I will be late. What will happen if you are late? If I am late, my teacher will be angry with me. What will happen if your teache
4、r is angry with you? If my teacher is angry with me, I will be sad. What will happen if you are sad? If I am sad, I will chat with my friends.If it rains this weekend, But, But, if if it it rainsrains this weekend this weekendI will stay at home.If If it it isis sunny this weekend sunny this weekend
5、If it is sunny this weekend, I will go to the party.party!If you go to the party, youll have a great time. will have a great time.If you go to the party, you(have a great time)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
6、 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. 1bListen Were your answers to activity 1a correct?備注:備注:do (does/did ),是代替上文出現(xiàn)的,是避免重復(fù)的出現(xiàn),是代替上文出
7、現(xiàn)的,是避免重復(fù)的出現(xiàn), 例子:例子:He doesnt want to buy a book. But I do . I dont want to go shopping, but she _(do) She didnt go to London, but Lucy _ (do)doesdid一條牛仔褲一條牛仔褲 a pair of jeans let sb in 讓某人進入(來)讓某人進入(來)是動副結(jié)構(gòu)是動副結(jié)構(gòu)代詞是賓語時必須放在代詞是賓語時必須放在中間中間。其反義詞為其反義詞為let sb out讓某人出讓某人出去去別讓那個男孩兒進來!別讓那個男孩兒進來!Dont let the b
8、oy in !讓他出去!讓他出去!Let him out. organize the party games組織聚會游戲組織聚會游戲sorry 難過的,不安的,懊悔的;抱歉,對不起難過的,不安的,懊悔的;抱歉,對不起 e.g. I am sorry to hear your bad news. You will be sorry about this later.eat too much ice cream (fat) If, willwatch too much TV (tired) If, will not finish homework (angry) If, will如果明天下雨,我將
9、在家彈鋼琴。如果明天下雨,我將在家彈鋼琴。If it is rainy tomorrow, I will play the piano At home. be rainy play the pianonot get up early (miss the bus) If,will(一般現(xiàn)在時)(一般現(xiàn)在時)(一般將來時)(一般將來時)(一般現(xiàn)在時)(一般現(xiàn)在時)(一般將來時)(一般將來時)主將從現(xiàn)主將從現(xiàn)What will happen tomorrow ?It will be sunny tomorrow.We will have a trip tomorrow.用用ifif合合并并成成一一句
10、句We will have a trip if it is sunny tomorrow. If在此引導(dǎo)一個條件狀語從句。當(dāng)主句是一般將來時在此引導(dǎo)一個條件狀語從句。當(dāng)主句是一般將來時時,時,if引導(dǎo)的引導(dǎo)的從句必須用現(xiàn)在時從句必須用現(xiàn)在時來表示將來可能發(fā)生的動來表示將來可能發(fā)生的動作或存在的狀態(tài)。作或存在的狀態(tài)。 she, call me, I, tell her about itIf she calls me, I will tell her about it. he ,come, next weekend, I ,tell you If he comes next weekend, I
11、will tell you. not rain , hiking , this afternoon If it doesnt rain, I will go hiking this afternoon. no war, the world, more beautiful,If there is no war, the world will be more beautiful. she, not exercise enough, heavierIf she doesnt exercise enough, she will be heavier. he, free time, Shanghai ,
12、 If he has free time, he will go to Shanghai. she, study hard, dream, come trueIf she studies hard, her dream will come true.a lot of money , build, school, poorIf I have a lot of money, I will build a school for poor children. gogo it, sunny, she, fly a kiteIf it is sunny, she will fly a kite. you,
13、 eat too much, stomachacheIf you eat too much,you will have a stomachache.gogoIf you If you have have a robot, what a robot, what willwill you do? you do? If I have a robot, I will What will you do with the money if you have have lots of money?I will MarkAndreaTask2: 2a Listen and number these phras
14、es in the order you hear them. a. study for their testsb. help me organize itc. too earlyd. make some foode. Saturday afternoonf. play party games組織組織123456AndreaMark玩舞會游戲玩舞會游戲Task3:2b: fill in the blanksWhat will happen if they have the party today?What will happen if they have the party tomorrow?W
15、hat 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 be bored.Students will leave early to study for their test.Half the class wont come.Andrea is going to make some food.MarkAndrea半數(shù)
16、的學(xué)生半數(shù)的學(xué)生 Half the class wont come. 一半的同學(xué)將不會來。一半的同學(xué)將不會來。half的用法:的用法:1 half adj. 一半的,一般要放在冠詞、物主代詞或指示一半的,一般要放在冠詞、物主代詞或指示代詞之前。半小時代詞之前。半小時_“half + 名詞名詞” 作主語時,謂語動詞的單、復(fù)數(shù)形式由所作主語時,謂語動詞的單、復(fù)數(shù)形式由所接名詞的單、復(fù)數(shù)形式來決定,名詞是中心詞。接名詞的單、復(fù)數(shù)形式來決定,名詞是中心詞。 Half the apples_ bad. 這些蘋果中有一半是壞的。這些蘋果中有一半是壞的。Half the apple _ bad. 這個蘋果一
17、半是壞的這個蘋果一半是壞的 2 Half 還可作名詞,意為還可作名詞,意為“半,一半半,一半”其復(fù)數(shù)形式為其復(fù)數(shù)形式為_.“個半個半”可表達為可表達為“數(shù)詞數(shù)詞 + 名詞名詞 + and a half”或或“數(shù)詞數(shù)詞 + and a half + 名詞(復(fù)數(shù)名詞(復(fù)數(shù))”。例如:。例如:三個半小時三個半小時 three hours and a half three and a half hours half an hour areishalvesWhen is a good time to have the party? 舉行聚會的最佳時間是在什么時候?舉行聚會的最佳時間是在什么時候? to
18、have the party是動詞不定式作后置定語,修是動詞不定式作后置定語,修飾名詞飾名詞 time,不定式作定語時,常放在被修飾的詞不定式作定語時,常放在被修飾的詞語之后語之后. 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 doCDI dont know if my brother_ (come) tomorrow. If he_ (come), Ill be happy.注意賓語從
19、句中的注意賓語從句中的 if 與條件狀語從句與條件狀語從句if的區(qū)的區(qū)別。賓語從句中的別。賓語從句中的 if “是否是否”相當(dāng)于相當(dāng)于 whether,賓語從句通常位于主句之后。引,賓語從句通常位于主句之后。引導(dǎo)賓語從句,時態(tài)需根據(jù)語境確定。導(dǎo)賓語從句,時態(tài)需根據(jù)語境確定。我不知道明天是否會下雨。我不知道明天是否會下雨。 I dont know if it_ (rain)tomorrow. will comecomes will rainif 引導(dǎo)的條件狀語從句引導(dǎo)的條件狀語從句時態(tài)主將從現(xiàn)時態(tài)主將從現(xiàn)主句一般將來時,從句一般現(xiàn)在時e.g1.如果你努力工作,你的夢想將會實現(xiàn)如果你努力工作,你的
20、夢想將會實現(xiàn)If you If you workwork hard, hard, your dream your dream will comewill come true true. . 2.如果明天下雨,我將不出去散步如果明天下雨,我將不出去散步If it If it rainsrains tomorrow tomorrow, ,I I wont gowont go out for a walk. out for a walk.條件狀語從句通常由連詞條件狀語從句通常由連詞if引導(dǎo),意為引導(dǎo),意為“如果、如果、假如假如”,主句不能用,主句不能用be going to表示將來,表示將來,而應(yīng)該
21、用而應(yīng)該用will, shall(主語為第一人稱)主語為第一人稱)if條件狀語從句中,主句用一條件狀語從句中,主句用一般將來時,從句用一般現(xiàn)在般將來時,從句用一般現(xiàn)在時表示將來。時表示將來。 If you wont hurry up, you will miss the early bus.If you dont hurry up, you will miss the early bus.Whats the rule? (1)If you., you will.條件狀語從句if條件狀語從句中,如果主句條件狀語從句中,如果主句有有must,can,may等情態(tài)動等情態(tài)動詞,從句用一般現(xiàn)在時詞,從
22、句用一般現(xiàn)在時。 You must stop if the traffic light is red.You may go fishing if you are free.He can go home if he finishes his homework.Whats the rule? (2)if條件狀語從句中,如果主句條件狀語從句中,如果主句是祈使句,從句用一般現(xiàn)在時。是祈使句,從句用一般現(xiàn)在時。 Let me know if he comes.Dont wait for me if I am late.Put up your hands if you have any questions
23、.Whats the rule? (3)2. If條件狀語從句中,如果主句有must,can,may等情態(tài)動詞,從句用一般現(xiàn)在時。(主情從現(xiàn)) 3. If條件狀語從句中,如果主句是祈使句,從句用一般現(xiàn)在時。(主祈從現(xiàn)) 1. If條件狀語從句中,主句用一般將來時,從句用一般現(xiàn)在時表示將來。(主將從現(xiàn)) Rules If 條件句歌訣:條件句,放在前,條件句,放在前, 逗號要放句中間逗號要放句中間; ; 條件句表可能,條件句表可能, 從句多用從句多用現(xiàn)在時現(xiàn)在時, , 主句多用主句多用將來時將來時. .3.If Mary (buy) the book, she will use up all he
24、r money. 1.If I (be) free, Ill visit my aunt next Sunday.4.If she (study) hard, shell win the English competition.2.If it (be) cold tomorrow, I will wear my sweater. amisbuysstudiesExercise (1):5. If a UFO (land) in front of me, I (go) in to look for the alien.landswill go Exercise (2):1.Call me if
25、the boss (will come/comes).comes2. 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
26、at once. iswill call Dear Jenny, Thanks for inviting(邀請)(邀請) me to the party. Of course present, you are happy. I hope it wont rain that day. Because if it wont rain, my little son will come, too. If he comes, you arent disappointed, he is really funny. OK, see you on the party.Yours, will bedoesntg
27、ivewont beIll go to the party. And I think if I will give you a Please help me correct the sentences.Rosev Correct and Write(禮物)(禮物)Homework 練習(xí)冊section A 每人寫8個if 引導(dǎo)的條件狀語從句1. If it _, they will not go bike riding. A. rains B. wont rain C. was raining D. doesnt rain 2. I think Gina is going to wear je
28、ans to the party. If she _, the teachers will not let her in. A is B. do C. has D. does 3. I think Im going to walk there. _ A. If you do, youll be late. B. Not really. C. Why so? D. Thank you. 4. Will you go to the park if it _ fine? A. will be B. was C. is D. / 1.If he _(go) to the movies, he wont
29、 finish his work. 2.If he _(become) a doctor, he can help others. 3.If you _(have )time, we will go to the park tomorrow. 4.Im sure if he _(go) to the party, he_ (have) a great time. 5.Ill buy a computer if I _(have) enough money.用括號內(nèi)所給動詞的適當(dāng)形式填空用括號內(nèi)所給動詞的適當(dāng)形式填空goesbecomeshavegoeswill havehaveExercise
30、sFill 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 t
31、he test.doesnt raindoesnt dowill readwill bewont study 用所給詞的正確形式填空。用所給詞的正確形式填空。1.If you _ (be) late, the teacher will be angry.2.We dont know if it _ tomorrow (snow).3.He _(become) a soccer player if he works hard.4. You _(be) famous if you sing well.arewill snowwill becomewill be5 Half of these ban
32、anas _(be) bad.6 Half of the boys _(like) basketball.arelikeIf you are happyUnit 5If you go to the party, you will have a great time!(section B)Summary 條件狀語從句條件狀語從句1.常用關(guān)聯(lián)詞常用關(guān)聯(lián)詞 if(如果)(如果)引導(dǎo)。引導(dǎo)。 2. if 引導(dǎo)的狀語從句可放引導(dǎo)的狀語從句可放在主句前,也可在主句后在主句前,也可在主句后3.主句謂語動詞是一般將主句謂語動詞是一般將來時,從句時態(tài)通常用來時,從句時態(tài)通常用一一般現(xiàn)在時般現(xiàn)在時。找一找規(guī)律,你能發(fā)現(xiàn)什么? If you go to the party, youll have a great time. If she does exercise, she will be healthy. If he works hard, he will be successful. If you are late for school, the teachers wont let you in.
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