初中英語(yǔ)人教新目標(biāo) (Go for it) 版八年級(jí)下冊(cè)Unit 3 Could you please clean your room?Section A教案配套ppt課件-課件下載-教習(xí)網(wǎng)

enjy dinner with my family
A: Mum, culd I g ut fr dinner with my friends?B: Sure, that shuld be OK.
A: Culd I get smething t drink with my friends after the mvie?B: Sure, yu can.
A: Culd I get smething t drink with my friends after the mvie?B: N, yu can’t, yu have a basketball game tmrrw.
take the dg fr a walk
A: Can yu please take the dg fr a walk?B: OK, but I want t watch ne shw first.
take ut the rubbish
A: Can yu please take ut the rubbish?B: Yes, sure.
Grammar Fcus
只作情態(tài)動(dòng)詞的 can / culd, may / might, ught t, must可情態(tài)可實(shí)義的　 need, dare 可情態(tài)可助動(dòng)詞的 shall / shuld, will / wuld相當(dāng)于情態(tài)動(dòng)詞的 have t, used t
情態(tài)動(dòng)詞不能單獨(dú)做謂語(yǔ), 除ught和have外, 后面只能接不帶t的不定式。情態(tài)動(dòng)詞沒(méi)有人稱(chēng), 數(shù)的變化, 但有些情態(tài)動(dòng)詞, 如can、will也有一般式和過(guò)去式的變化。情態(tài)動(dòng)詞的“時(shí)態(tài)”形式并不是時(shí)間區(qū)別的主要標(biāo)志, 不少情況下, 情態(tài)動(dòng)詞的現(xiàn)在式形式和過(guò)去式形式都可用來(lái)表示現(xiàn)在時(shí)間、過(guò)去時(shí)間和將來(lái)時(shí)間。
1) can的主要用法是：? A.? 表示體力或腦力的能力： ? e.g. The girl can dance very well. B.? 表示說(shuō)話的推測(cè)﹑事物的可能性等: e.g. Can the news be true? C. 在口語(yǔ)中, can可以表示請(qǐng)求或允許: e.g. Can I sit here?
can表示“能夠”時(shí)與短語(yǔ)be able t同義，但can只用于一般現(xiàn)在時(shí)或過(guò)去時(shí)，而后者可用于各種時(shí)態(tài)。另外，can表示個(gè)人有某種能力，而be able t表示某人通過(guò)努力、克服困難做成某事，相當(dāng)于succeed in ding sth.；敘述過(guò)去事實(shí)時(shí)，最好用was / were able t，因?yàn)閏uld只表示過(guò)去具有某種能力。
如：Can yu understand the different kinds f English these peple are using?Tw years later, he was able t speak very gd Chinese.
2) culd的主要用法是： A. culd 是can的過(guò)去式, 表示與過(guò)去有關(guān)的能力和推測(cè): e.g. We all knew that the yung man culdn’t be a dctr. B. culd可以代替can表示請(qǐng)求, 但語(yǔ)氣較can 客氣、委婉:
e.g. Culd yu lend me yur dictinary? Culd I use yur bike?3) can和culd接動(dòng)詞的完成形式，表示可能已經(jīng)做某事。can用在否定和疑問(wèn)句中，表示不相信、懷疑等態(tài)度。e.g. They can’t have gne ut because the light is still n.
以culd或wuld提問(wèn)時(shí)，不能再以culd或wuld作答，而應(yīng)該用can或will。如：—Culd I brrw yur dictinary?—Yes, f curse yu can.
culd與can都是情態(tài)動(dòng)詞，culd是can的過(guò)去式。二者都可用于表示請(qǐng)求，但是用法稍有不同。can 表示一般性的請(qǐng)求，語(yǔ)氣隨便，常用于熟人之間或長(zhǎng)輩對(duì)晚輩，上級(jí)對(duì)下級(jí)的場(chǎng)合。e.g. Can yu tell us yur stry,Tny？托尼，你能給我們講講你的故事嗎？
culd與can的區(qū)別
culd表示有禮貌的請(qǐng)求，語(yǔ)氣委婉，常用于非熟人之間或晚輩對(duì)長(zhǎng)輩，下級(jí)對(duì)上級(jí)的場(chǎng)合。比如： — Culd yu tell us if it snws in winter in Australia? — Sure. — 請(qǐng)告訴我們，澳大利亞冬天下雪嗎?— 當(dāng)然可以。
注意：1. 提出委婉的請(qǐng)求在回答中不可用culd。 A: Culd I have the televisin n? B: Yes, yu can. / N, yu can’t.2. 在否定、疑問(wèn)句中表示推測(cè)或懷疑用culdn’t。 He culdn’t be a bad man.　　他不大可能是壞人。
may和might表示允許或請(qǐng)求；表示沒(méi)有把握的推測(cè)；may放在句首，表示祝愿。 May Gd bless yu! He might be at hme.注意: might 表示推測(cè)時(shí)，不表示時(shí)態(tài)，只是可能性比may小。
have t和must
1. 兩詞都是“必須”的意思，have t 表示客觀的需要，must 表示說(shuō)話人主觀上的看法，即主觀的必要。My brther was very ill, s I had t call the dctr in the middle f the night.我弟弟病得很厲害，我只得半夜里把醫(yī)生請(qǐng)來(lái)。(客觀需做此事)He said that they must wrk hard. 他說(shuō)他們必須努力工作。(主觀上要做這件事)
2. have t 有人稱(chēng)、數(shù)、時(shí)態(tài)的變化，而must只有一種形式。但must 可用于間接引語(yǔ)中表示過(guò)去的必要或義務(wù)。He had t lk after his sister yesterday.
3. 在否定結(jié)構(gòu)中: dn’t have t 表示 “不必”，mustn’t 表示“禁止”。Yu dn’t have t tell him abut it.　你不一定要把此事告訴他。Yu mustn’t tell him abut it.　　　　你一定不要把這件事告訴他。
Write R fr requests and P fr permissins. Then match each ne with the crrect respnse.
____ Culd I hang ut with my friends after the mvie?2. ____ Culd yu please pass me the salt?3. ____ Culd I brrw that bk?4. ____ Culd yu help me d the dishes? 5. ____ Culd yu lend me sme mney?
Yes, here yu are. Hmm. Hw much d yu need?Yes, sure. N prblem. I finished reading it last night.d. Yes, but dn’t cme back t late.e. N, I can’t I cut my finger and I’m trying nt t get it wet.
1 — d 2 — a 3 — c 4 — e 5 — b
Fill in the blanks in the cnversatin.
A: I hate t ______ chres.B: Well, I hate sme chres t, but I like ther chres.A: Really? Great! ________ I ask yu t ____ me with sme chres then?B: What d yu need help with? A: ______ yu please _____ my clthes fr me?B: I dn’t want t d that! It’s bring!
A: OK. Then ______ yu ________ d the dishes fr me?B: Sure, n prblem. But _______ we g t the mvies after that?A: Sure, I’ll finish my hmewrk while yu help me with the dishes. Then we can g t the mvies.
Make a list f things yur grup needs t d fr a camping trip. Then discuss wh will d them and cmplete the chart.
A: Culd yu please bring Liu Chang?B: Sure. And culd yu please …?C: Srry, I can’t. I have t…
I. 用情態(tài)動(dòng)詞can/culd, can’t, may, must, mustn’t, needn’t填空。 1. — _______ yu cme and play with us nw? ? — I’m afraid I _____. I _____ d the cking. I ____ cme later.2. — _______ we clean the windws tday?????— N, yu _______. Yu ____ clean them tmrrw.?
3. — ____ I watch TV this evening, mum?? — N, yu _______. Wrk _____ cme first.4. — ____ I cme in, please?????— Yes, please.5. Excuse me. ____ yu tell me the way t the cinema?
A: Culd yu help me, please?B: ___________!A: I want t ________these bxes t my hme Let’s ______ the bxes _____ the car nw.B: _______right.A: Oh, the bx ___ heavy. Can yu carry it?B: Yes, I______.A: _______ yu _____ it t my rm?B: Certainly.
— Can I ____ Rbinsn Cruse？ Mrs Zha．— Sure, it’s very interesting, but yu can nly ____ it fr tw weeks． A. brrw; lend B. lend; brrw C. brrw; keep D. lend; keep

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