1、Unit 3 Could you please clean your room一、教材分析本單元的主要語言功能是禮貌地請求別人做某事和向他人請求允許做某事，語法項目是Could you please do?和Could I do?從教材的整合來說它是Can you do ?（表請求）和Can I do?（請求許可）的延續，只是表達更委婉，更有禮貌。從本單元來說，它既是本單元的基本語言內容，又為本單元知識擴展和綜合語言運用奠定堅實的基礎。本單元話題又貼近他們的生活，應該會有話可講，有話要講。二、重、難點知識點提示重點：讓學生掌握詞匯的運用以及用Could you please do? Could

2、 I do?兩個句型提出請求和請求許可。難點：本節課表示家務的動詞詞組較多，較難記憶和運用。三、重點知識點講解：考點（一）詞語辨析.either/neither /none/ all/ both的用法。either:1. 否定句中的“也”。如A ： I dont like music.B： Me either.(A說：我不喜歡音樂。 B 說：我也是）2. 兩者其中之一。如：A： Which would you like to drink,water or tea? B:Either ofthem is ok.(A說：你喜歡喝水還是茶？B: 說哪種都行。）neither：兩者都不。如：Neith

3、er of my parents has been to Baijing.（我父母兩人都沒去過北京）。特殊句式： neither nor Neither you nor me am a doctor.(不論你還是我都不是醫生）此結構中be 的形式根據臨近它的主語而定，即就近原則。表達“也不”則用“Neither /Nor + be / V助 / V情 +主”The first one wasn t bad. Neither was the second.both ：兩者都。如：Both of them are students.(他們都是學生）特殊句式： both andnone: 三者或三者

4、以上都不。如：None of my friends likes him.(我的朋友中沒有一個喜歡他）all ：三者或三者以上都。如：All of them are Chinese.(他們都是中國人）1 / 8【典型例題 1】 1.I didnt go to Toms birthday party yesterday. What aboutyou?_, because I was preparing for the exam all the time. A. Neither was I B. Neither am IC. Neither did ID. Neither do I【答案】 C【解析

5、】考點：考查倒裝句的用法。-Wow! Youve got so many clothes.-But _ of them are in fashion now.A. allB. bothC. neitherD. none【答案】 D【解析】 all 三個及三個以上都；both 兩者都； neither兩者都不；none 沒有人，一個也沒有。句意：喔，你有這么多衣服啊！但是現在他們中沒有一件流行了。結合語境可知選。考點：不定代詞辨析.spend/pay/cost/take花費辨析(1)spend spent spent v花費, 主語是人sb.+ spend + 時間 / 錢+on sthsb.

6、+spend + 時間 / 錢+（ in ） doing sthspend on= pay for支付He spends too much time on the computer games.(2) paypaidpaid v支付，主語是人sb.+ pay +錢 +for sthI pay 10 yuan for the book. How much did you pay for this computer? Five hundred dollars.2 / 8(3) cost cost cost v花費，主語是某物或某事sth cost sb. +錢某物花費某人多少錢A new comp

7、uter costs me a lot of money.(4)take took taken v花費It takes /took sb. some time to do sth.做某事花費某人多長時間It takes him 3 hours to do his homework.【典型例題 2】 1. His parents often tell him _much time _computergames.A. not to take; to playB. to spend ; to playC. don t spend; playingD. not to spend; playing【答案

8、】 D【解析】考點：考查非謂語動詞及動詞短語。2. He has to_20 yuan on the book But I needn t _any money for itA pay ； spendB cost ；payC spend ；payD take ；spend【答案】 C【解析】試題分析：句意：買這本書他要花費20 元，但是我不需要付錢。pay 付款，常用于短語pay for ； spend 花費，主語為人，常用于句型spend money on sth.；cost花費，主語為物； take花費，常用于句型It takes sb. sometime to do sth.，花費某人多

9、長時間去做某事。根據句意可知選C。考點：考查動詞詞義辨析。. provide/ offer/ supply辨析provide sth. for sb.為某人提供某物provide v提供provide sb. with sth. (sb前介詞用for)=provide sth for sb.( sth前需加介詞with) 供應某人某物3 / 8相當于： offer sb. sth. = offer sth to vide為應急等做好準備而“提provide sb. with sth.供； 供給”=provide sth for sb.提供某人某物offer側重表示“愿意給予”off

10、er sb. sth. = offer sth to sb.對某人提供某物offer to do sth主動提出干某事supply定期“供應” ,強調替代supply sb. with sth=supply sth. to sb.為某人提或補充所需物品供某物【典型例題 3】 1. I want to _the children _ clothes.A. provide; toB. provide; forC. provide; withD. provide;at【答案】 C【解析】考點：固定短語2.Could you please _me some suggestions for the pl

11、an?A. to offer B. offer C. to provide D. provide【答案】 B【解析】本題考查短語固定用法。could you please do sth表示你愿不愿意做某事。句意：你能幫助我提供一些計劃的建議。考點：固定短語.enough的用法(1) adj.足夠的，充分的修飾名詞時，可放在名詞之前或之后enough timeadv. “足夠地， 十分，相當”修飾 adj./adv,放在 adj./adv后 expensive enough(3) be +adj. +enough to do sth be strong enough to carry the b

12、ox.【典型例題3】 1.Jack ran _ to catch up with other students.A. enough fastB. enough slowC. fast enoughD. slow enough【答案】 C4 / 8【解析】試題分析：句意：杰克跑得足夠快，趕上了其他同學。enough 修飾形容詞或副詞時，位于形容詞或副詞的后面。故排除AB兩項。 fast快的； slow 慢的。根據catch up withother students.趕上了其他同學，可知他跑得快fast ，故選 C。考點：考查副詞的用法2.That boy is notto g o to sch

13、ool He is only three years oldA young enoughB old enoughC enough youngD enough old【答案】 B【解析】試題分析：句意：這個小男孩年齡不夠大，不能去學校。他只有三歲。enough+名詞。形容詞/ 副詞 +enough. 足夠的 . 。考點：考查形容詞及副詞的用法. borrow /lend/keep辨析(1)borrow借入 , 與 from連用，尤指主語“借進來”borrow sth from sb.從某人那里借某物You can borrow the book from the library.(2)lend借

14、出 , 與 to搭配指借出去lend sb sth=lend sth to sb把某物借給某人He doesn t want to lend his bookto others.(3)keep保留，保存（延續動詞，可以與表示一段時間的狀語連用）指借一段時間【典型例題 5】 1.Can you _ your e-dictionary to me, please?Of course. But you mustnt _ it to others.A. borrow, lendB. lend, borrowC. borrow, borrowD. lend, lend【答案】 D【解析】考點：動詞辨析5

15、 / 82.-How long could Iyour English-Chinese dictionary?-Only one day, please.A. keepB. borrowC. lendD. get【答案】 A【解析】試題分析： keep 堅持，持有； borrow 借入； lend 借出； get 到達，獲得，句意：這本英漢詞典我能拿多久？只能一天。結合語境可知選A。考點：動詞辨析考點（二）重點句型1. Could you please clean your room?Yes, sure. / Sorry, I cant. I have to do my homework fi

16、rst.2. Could I use the car?Sure. / Certainly. / Of course. / No, you cant. I have to go out.在表示請求幫助或請求允許的疑問句中，常用could代替 can ，以表示禮貌，委婉或不確定的語氣，而can則不具備這些語氣。這種情況下不能把could看作 can的過去式。以上兩句中用could是為了表示禮貌的請求。表示請求幫助或請求允許時，除了can,could之外，還可以用may，句子的表達方式也各有不同，可以用不同的方式來表示同一個概念。例：Could / Can / May I use your car

17、for a day?作允答可以各種各樣：如 同意可以說Yes ，或Sure或 Certainly，還 可說Yes, (do)please.或Ofcourse. (you may / can).或 Thats OK / all right.如果不同意，可以說Im sorry you cant.或 Im really sorry, but I have touse it today.要避免說No, you cant.這樣顯得很不禮貌。否定回答通常用委婉語氣。【典型例題 6】 1 Excuse me, could you please help me with my English? _.A. Yo

18、u are all rightB. OK.C. Yes, I couldD. No, I couldnt【答案】 B6 / 8【解析】考點：考查交際用語。2. Could you please _ the trash? OK, I ll do that.A. take onB. take outC. take off【答案】 B【解析】考查詞匯。take on承擔，承受； take out去除；take off脫掉，飛機起飛。故選B。考點：考查動詞詞組。考點（三）重點詞組1.do the chores做雜務do the dishes洗餐具sweep the floor清掃地板take out the trash倒垃圾make ones bed鋪床fold ones clothes疊衣服clean the living room清掃客廳stay out late晚歸come over過來have a test考試get a