江蘇省丹陽市八中九年級英語《Unit 6 Different pets》課件
同學(xué)們好,很高興有機(jī)會(huì)和大家一起學(xué)習(xí)7B第六單元的相關(guān)知識(shí)。 本單元主要學(xué)習(xí)常見寵物的名稱和特征,學(xué)會(huì)并能運(yùn)用形容詞來描述動(dòng)物的外表、特征、性格等,同時(shí)學(xué)會(huì)使用恰當(dāng)?shù)那閼B(tài)動(dòng)詞來發(fā)布指令。 我準(zhǔn)備從重點(diǎn)語法、典型例題、語法拓展、閱讀技巧、寫作技巧五個(gè)方面和同學(xué)們進(jìn)行交流。教師畫面教師畫面 下面我們一起來學(xué)習(xí)本單元的重點(diǎn)語法、典型例題和語法拓展知識(shí)。教師畫面教師畫面 祈使句的用法祈使句的用法重點(diǎn)語法重點(diǎn)語法 表示請求、命令、建議等的句子叫做祈使句。表示請求、命令、建議等的句子叫做祈使句。它的主語是它的主語是you,通常省略。祈使句的謂語動(dòng)通常省略。祈使句的謂語動(dòng)詞都用動(dòng)詞原形。詞都用動(dòng)詞原形。 1.肯定祈使句肯定祈使句Be sure to write a letter to me. 一定給我寫信。一定給我寫信。Stop talking ! 停止說話!停止說話! 為了表達(dá)客氣的語氣,常在句首或句尾加為了表達(dá)客氣的語氣,常在句首或句尾加pleasePlease come to school earlier tomorrow.Write down the new words,please.祈使句的用法祈使句的用法重點(diǎn)語法重點(diǎn)語法2. 否定祈使句否定祈使句祈使句的否定形式是在句首加上祈使句的否定形式是在句首加上dont,有時(shí)加有時(shí)加 never.Dont worry about your son. 別為你的兒子擔(dān)心。別為你的兒子擔(dān)心。Dont talk in class. 不要在課堂上說話。不要在課堂上說話。 Never do that again! 千萬別再那樣做了!千萬別再那樣做了!祈使句的用法祈使句的用法重點(diǎn)語法重點(diǎn)語法3. Let 開頭的祈使句開頭的祈使句 Let me have a try. 讓我試試。讓我試試。 Let him do it. 讓他做。讓他做。 Lets start work at once. 讓我們馬上開始工作。讓我們馬上開始工作。Lets not go fishing. 我們別去釣魚。我們別去釣魚。注意注意 祈使句的用法祈使句的用法重點(diǎn)語法重點(diǎn)語法 4.由動(dòng)詞原形引導(dǎo)的祈使句或由動(dòng)詞原形引導(dǎo)的祈使句或let us引導(dǎo)的祈使句,引導(dǎo)的祈使句, 其反意疑問句一般用其反意疑問句一般用will you. Go to the cinema now, will you? Let us go to the farewell party, will you?Lets 引導(dǎo)的祈使句,其反意疑問句一般用引導(dǎo)的祈使句,其反意疑問句一般用shall we.Lets clean the rabbit hutch, shall we? Let me引導(dǎo)的祈使句,其反意疑問句一般用引導(dǎo)的祈使句,其反意疑問句一般用will you 或或may I.Let me have a try, will you?Let me drive the car for you, may I?注意注意祈使句的用法祈使句的用法重點(diǎn)語法重點(diǎn)語法在否定祈使句中,其反意疑問句只能用在否定祈使句中,其反意疑問句只能用will you.Dont forget to write a letter to me,will you?別忘記給我寫信,好嗎?別忘記給我寫信,好嗎?為使祈使句聽起來比較委婉、客氣,還可以用為使祈使句聽起來比較委婉、客氣,還可以用would you,wont you,can you,could you,cant you.Look at the blackboard ,wont you? 看黑板,好嗎?看黑板,好嗎?Wait for me at the door, can you? 在門口等我,好嗎?在門口等我,好嗎? 情態(tài)動(dòng)詞情態(tài)動(dòng)詞 should 的用法的用法重點(diǎn)語法重點(diǎn)語法1. 表示義務(wù)、責(zé)任,意為表示義務(wù)、責(zé)任,意為“應(yīng)該、必須應(yīng)該、必須”, 與與must替換。替換。 We should / must learn English well.我們應(yīng)該學(xué)好英語。我們應(yīng)該學(xué)好英語。 We should finish our homework on time. 我們必須按時(shí)完成家庭作業(yè)。我們必須按時(shí)完成家庭作業(yè)。情態(tài)動(dòng)詞情態(tài)動(dòng)詞 should 的用法的用法重點(diǎn)語法重點(diǎn)語法 Should表示勸告、建議、命令等,意表示勸告、建議、命令等,意為為“應(yīng)該應(yīng)該”,等于,等于ought to. 其否定形式為其否定形式為ought not to YOU should wash your hands first.=You ought to wash your hands first.你應(yīng)該先洗手。你應(yīng)該先洗手。 注意注意 情態(tài)動(dòng)詞情態(tài)動(dòng)詞 should 的用法的用法重點(diǎn)語法重點(diǎn)語法2. 用于第一人稱疑問句中詢問對方意愿,用于第一人稱疑問句中詢問對方意愿, 語氣委婉。語氣委婉。 What should we do now?我們現(xiàn)在應(yīng)該做什么?我們現(xiàn)在應(yīng)該做什么? 情態(tài)動(dòng)詞情態(tài)動(dòng)詞 must 的用法的用法重點(diǎn)語法重點(diǎn)語法1. Must表示說話人的命令和要求,意為表示說話人的命令和要求,意為“必須、應(yīng)該必須、應(yīng)該”。只有現(xiàn)在時(shí)形式,否定式。只有現(xiàn)在時(shí)形式,否定式是是must not/ mustnt ,意為意為“不準(zhǔn),禁止不準(zhǔn),禁止” We must do everything carefully. 我們必須認(rèn)真做每件事。我們必須認(rèn)真做每件事。 You must not cross the road when the light is red. 紅燈時(shí),你一定不要過馬路。紅燈時(shí),你一定不要過馬路。 情態(tài)動(dòng)詞情態(tài)動(dòng)詞 must 的用法的用法重點(diǎn)語法重點(diǎn)語法2. 以以must 開頭的問句,其否定回答要用開頭的問句,其否定回答要用needt 或或 dont have to 代替。代替。- Must I do it at once?我必須馬上做這件事嗎?我必須馬上做這件事嗎?- Yes, you must. 是的,你必須。是的,你必須。- No, you neednt / No, you dont have to 不,你不必。不,你不必。 情態(tài)動(dòng)詞情態(tài)動(dòng)詞 must 的用法的用法重點(diǎn)語法重點(diǎn)語法3. 表示肯定性的猜測,意為表示肯定性的猜測,意為“一定、大概一定、大概”,多用于肯定句。多用于肯定句。 The light is on in the room. Mr Green must be at home. 房間的燈亮著,格林先生房間的燈亮著,格林先生 一定在家。一定在家。It must belong to Mary。它一定是屬于瑪麗的。它一定是屬于瑪麗的。 其否定形式是其否定形式是cant (不可能)(不可能) He cant be tired. 他不可能累他不可能累/ 他肯定不累。他肯定不累。 情態(tài)動(dòng)詞情態(tài)動(dòng)詞 should 和和must的用法總結(jié)的用法總結(jié)重點(diǎn)語法重點(diǎn)語法1. 情態(tài)動(dòng)詞有一定的詞義,但詞義不完全,情態(tài)動(dòng)詞有一定的詞義,但詞義不完全, 須與動(dòng)詞原形連用須與動(dòng)詞原形連用 2. 情態(tài)動(dòng)詞沒有人稱和數(shù)的變化情態(tài)動(dòng)詞沒有人稱和數(shù)的變化 3. 疑問句直接把情態(tài)動(dòng)詞提前,否定句疑問句直接把情態(tài)動(dòng)詞提前,否定句 在情態(tài)動(dòng)詞后面加在情態(tài)動(dòng)詞后面加not 情態(tài)動(dòng)詞用法歌訣:情態(tài)動(dòng)詞用法歌訣:情態(tài)動(dòng)詞兩要點(diǎn),情態(tài)動(dòng)詞兩要點(diǎn),動(dòng)詞原形跟后面,動(dòng)詞原形跟后面,說話語氣較委婉。說話語氣較委婉。 can表表“能力能力”may“許可許可”, must“責(zé)任責(zé)任”或或“義務(wù)義務(wù)”,否定回答否定回答neednt換。換。 “需要需要”need,dare“敢敢”, should“應(yīng)該應(yīng)該”would“愿愿”。 語法拓展語法拓展 情態(tài)動(dòng)詞情態(tài)動(dòng)詞 ought to的用法的用法語法拓展語法拓展ought to : 應(yīng)當(dāng),應(yīng)該,可與應(yīng)當(dāng),應(yīng)該,可與should 交換交換使用,其否定形式為使用,其否定形式為 ought not to . You ought to / should do eye exercises every day . 你應(yīng)當(dāng)天天做眼保健操。你應(yīng)當(dāng)天天做眼保健操。 情態(tài)動(dòng)詞情態(tài)動(dòng)詞 must 的用法的用法語法拓展語法拓展 must和和have to 的區(qū)別是的區(qū)別是:must表示說話人的主觀表示說話人的主觀意愿意愿,而而have to 則表示客觀要求則表示客觀要求,意為意為不得不不得不. 情態(tài)動(dòng)詞中有一類是具有情態(tài)動(dòng)詞特征的情態(tài)動(dòng)詞中有一類是具有情態(tài)動(dòng)詞特征的詞,如詞,如have to,但它有人稱、數(shù)的變化。,但它有人稱、數(shù)的變化。 You must tell us what you have seen. 你必須告訴我們你所看到的東西。你必須告訴我們你所看到的東西。 He has to walk home because the bus has just left. 他不得不走回家,因?yàn)槠噭傠x開。他不得不走回家,因?yàn)槠噭傠x開。注意注意 祈使句的反意疑問句祈使句的反意疑問句 Put the book over there, _ ? Dont leave your pet alone, _ ? Let us walk the dog, _? Lets clean the fish tank, _ ?will youwill you shall wewill you 1.- Can I go fishing with you,Dad? - No,you _.You _stay at home and do your homework first. A. wont;may B. cant must C. shouldnt;ought D. neednt; should2.- Do you know whose dictionary it is? - It _be Li Meis. Toms name is on it. A. cant B. mustt C. shouldnt D. neednt3.- I cant stop smoking ,doctor. - For your health,Im afraid you _. A.can B.cant C.must D.mustnt 4. You _give them too much food. A.mustnt B.must C.wont D. 1. _ sleep too late . Its bad for your health . A. Do B. Not C. Dont D. dont 2. _ parking ! A. Dont B. Not C. No D. Do3. Tom, _ late again . A. doesnt B. isnt C. wont D. dont be4. You _ smoke . You are only 14 and it isnt allowed . A. mustnt B. dont have to C. neednt D. wont5. - Must I wait for you now ? - No , you _ . You may be back in half an hour . A. shouldnt B. mustnt C. dont have to D. cantCCDAC6. -Must I return the book tomorrow morning? -No, you_. You _ keep it for a day. A. mustnt, may B. mustnt, must C. neednt, can D. neednt, must7. -May I go surfing alone this afternoon, Dad? -No, you _. It is dangerous. A. may not B. cant C. neednt D. dont8. Alice has been in China for several years. She _ be a big girl now. A. need B. must C. can D. may 接下來我們一起來學(xué)習(xí)閱讀技巧和寫作技巧。教師畫面教師畫面教師畫面教師畫面 One day, a middle school teacher comes into the classroom and says to his students , “Today I want you to write about yesterdays football match. Im going to take your exercise books home with me, Now please begin.” The students all take out their pens and exercise books and begin to write. A boy called Tom thinks hard. But he doesnt write down a word. Five minutes later, he finishes. He stands up and looks at the teacher, The teacher asks, What is the matter, Tom? I have finished, sir. says the boy. Well, give me your book. The boy goes to the teacher and gives him the exercise book. The teacher opens it and reads, rain, no match. 根據(jù)短文內(nèi)容根據(jù)短文內(nèi)容,選擇正確答案:選擇正確答案:( )1. The teacher asks the students to 。 A. read the text B. have a lesson C. do their homework D. write about a match( )2. The teacher is going to read the students exercise books 。 A. in class B. at home C. at school D. in classroom( )3. Tom thinks hard 。 A. and writes down many things B. and writes down Rain, no match C. but write a word D. but doesnt write down a word( )4. Tom is 。 A. the third B. the last C. the first D. the second( )5. Tom writes about the match. A. nothing B. a lot C. a little D. muchDBBCA 寫作技巧寫作技巧1. 細(xì)讀題目,抓住要點(diǎn)細(xì)讀題目,抓住要點(diǎn) (標(biāo)題,每段的中心句標(biāo)題,每段的中心句)2. 理解大意,初寫句子理解大意,初寫句子3. 認(rèn)真答文,掌握細(xì)節(jié)認(rèn)真答文,掌握細(xì)節(jié)4. 復(fù)讀全文,核查錯(cuò)誤復(fù)讀全文,核查錯(cuò)誤 請以請以My Favourite Animal為題,寫一篇為題,寫一篇70詞左右的短文。詞左右的短文。1. 我最喜歡的動(dòng)物是大象,它是陸地上最大的動(dòng)物。我最喜歡的動(dòng)物是大象,它是陸地上最大的動(dòng)物。2. 世界上有兩種大象世界上有兩種大象:非洲象和印度象。非洲象比印非洲象和印度象。非洲象比印度象大,并且有大得多的耳朵。度象大,并且有大得多的耳朵。3. 大象必須吃很多,因?yàn)樗鼈兪侨绱舜蟆K鼈兡芑畲笙蟊仨毘院芏?,因?yàn)樗鼈兪侨绱舜?。它們能?0-70年。年。4. 大象用腳尖走路,它們能安靜地移動(dòng)并很容易在大象用腳尖走路,它們能安靜地移動(dòng)并很容易在泥中行走。泥中行走。5. 大象幫助人們搬運(yùn)重物,我們要愛護(hù)它們。大象幫助人們搬運(yùn)重物,我們要愛護(hù)它們。 My Favourite Animal My favourite animal is the elephant. Elephants are the biggest animals on land.There are two kinds of elephants: African elephants and Indian elephants. African elephants are larger than Indian elephants, and they have much larger ears. Elephants have to eat a lot because they are so big. They can live up to 6070 years. Elephants walk on tiptoe.They can move quietly and walk in the mud easily. They help people carry the heavy things. We should love them and protect them.教師畫面教師畫面總結(jié):通過對本單元知識(shí)的學(xué)習(xí),同學(xué)們又有了新的收獲,請認(rèn)真完成課后練習(xí),及時(shí)鞏固所學(xué)知識(shí)。