初一英語health and diet課件.ppt

1、Unit 2 Lesson2A Healthy Diet,can could may might must shall should will would need,現(xiàn)在時(shí)（三單）,否定,過去式,詞意,疑問句 （三單）,can,may,must,should,need,would,could,能，會,cant,can,Can he do?,may,might,可能,會,mustnt/cant/may not,May he do?,must,/,必須,neednt,Must he do?,should,/,shouldnt,Should he do?,need,/,有必要,neednt,Need

2、 he do?,would,/,將會,愿,wouldnt,Would he do?,情態(tài)動(dòng)詞,應(yīng)該,have to,表示 “不得不” ，“必須” I have to go to the doctor. 我不得不去醫(yī)院。 I have to confess something. 我必須坦白一件事。 我不得不用冷水洗衣服。 I have to wash clothes with cold water.,have to,是一個(gè)比較特殊的情態(tài)動(dòng)詞，它與其他的情態(tài)動(dòng)詞不同：它有人稱、數(shù)和時(shí)態(tài)的變化，具體變化與have作為行為動(dòng)詞的變化法則一致。,肯定,否定,疑問與回答,現(xiàn)在,過去,將來,have/has

3、 to,dont/ doesnt have to,Do you/Does he have to? Yes, I do/he does.,had to,didnt have to,Did you/he have to? No, I/he didnt.,will have to,wont have to,Will you/he have to? No, I/he wont.,have to,否定式： 主語 + dont / doesnt / didnt/ wont +have to +do sth. 如： She doesnt have to worry about that. 她沒有必要擔(dān)心那件

4、事。 疑問式： Do / Does / Did / Will + 主語 + have to + do sth? Yes, 主語 + do / does / did/ will. No, 主語 + dont / doesnt / didnt/ wont. 如： 瑪麗必須要為我打掃房間嗎？ Does Mary have to clean the room for me? Yes, she does. / No, she doesnt.,Exercise . Fill in the blanks with different forms of “have to”,Mr. Johnson to wor

5、k very hard to earn a living. I to leave the party early last night. I wasnt very well. Why he get up so early every morning? 我們明天不必起得很早。 We wont have to get up very early tomorrow. 5. 我想他可能不得不在花園里幫他爸爸。 I think he may have to help his dad in the garden.,has to,had to,have to,does,have to,must 與 have

6、 to 的區(qū)別： must表示的是說話人的主觀看法，而have to 表示的卻是客觀需要。 You have to work hard to have a better life. 為了謀生你必須努力工作。（客觀需要） You must do what I tell you. 你必須按照我告訴你的去做。（主觀要求） dont / doesnt have to do = neednt do “不必要”做. mustnt “禁止；一定不要”。,Exercise ,我咳嗽得厲害，今天必須去診所看看。 I have to go to the clinic today because I cough a

7、 lot/ heavily. 你可不能錯(cuò)過這個(gè)現(xiàn)代芭蕾舞劇，它好極了。 You mustnt miss that modern ballet because its wonderful. You run against the traffic light. 你不準(zhǔn)闖紅燈. You finish it in such a short time. 你不必在那么短的時(shí)間內(nèi)完成它.,mustnt,dont have to,Model 1:,A: Are you sleepy? B: Yes, I am. I have to go to bed now. What about you? A: I don

8、t have to. Im not sleepy at all.,A: Have you finished your homework? B: No, I havent yet. A: Its too late. You have to do your homework right now.,hungry/get something to eat,tired/take a rest,be fond of,喜歡，愛好 = like/ care for fond fnd a. 喜歡的;愛好的（一般用作表語，后+of) e.g. 年輕人非常喜歡流行音樂。 The young like/care fo

9、r pop music very much. = The young are very fond of pop music. 如果一個(gè)人太喜歡吃垃圾食品，那他不僅會變得不健康還會超重。 If someone is very fond of junk food, hell be not only unhealthy but also overweight.,I like vegetables. Im fond of vegetables. I care for meat, too. Im fond of meat, too.,Which food do I like better? I like

10、 meat better,than vegetables.,I like meat better than vegetables. like A better than B = prefer A to B 比起B(yǎng)更喜歡A I prefer meat to vegetables.,to 比，prep,prefer 更喜歡 寧可,preferto,. 比起B(yǎng)來更喜歡A; 其中，A與B形式一致，即：A是名詞，B也是名詞； A是動(dòng)名詞，B也是動(dòng)名詞。 I like dogs better than cats. = I prefer dogs to cats. 比起貓我更喜歡狗。 I like stay

11、ing at home better than going out. = I prefer staying at home to going out. 比起出去我更喜歡待在家里。 .比起B(yǎng)寧愿做A I prefer writing a term paper to taking an examination. 我寧愿寫一篇學(xué)期論文也不愿參加考試。,prefer A to B,1. Once I pop music classic music, but now I the latter. 曾今我比起古典樂更喜歡流行音樂，但現(xiàn)在我更喜歡后者。 2. More and more people nowa

12、days prefer in a restaurant for themselves at home. ( ) A. eating, cooking B. eating, to cooking C. eating, to cook D. to eat, to cook 越來越多的人如今寧愿去飯店吃飯，也不愿在家自己做飯。 3. I prefer to Nanjing instead of Beijing. ( ) A. go B. going C. going to D. go to 我更愿意去南京而不是北京。,Exercise ,preferred,to,prefer,eating,to cooking,B,go,A,過 preferred 現(xiàn)在分詞 preferring prefer to do 我寧愿坐飛機(jī)旅行。 I prefer to travel by air. 我寧愿待在家里好好休息。 I prefer to stay at home and have a rest. prefer sth/ doing sth Would you like meat or fish? Id prefer meat, please. Do you like sw