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1、Unit 2 Keeping Healthy 句式精講精練【句式精講】1. I have a cold. have a cold是動詞短語，意為“患感冒，傷風”，也可以說成catch a cold/get a cold或take a cold。其中have表示“患病，得病”，不能用于進行時態(tài)，但可與一段時間連用，表示狀態(tài)；而catch/get a cold則表示瞬時動作，不能同一段時間連用。例如： I have had a cold for three days. 我感冒三天了。 此句也可以表達為： I had/caught/got a cold three days ago. 【拓展】 表示

2、人體某部位“痛”時的幾種結構：（1）have a + 身體部位名詞后加-ache構成。例如： have a headache 頭痛 have a toothache 牙痛 have a stomachache胃痛（2）have a sore + 身體部位名詞。例如： have a sore throat 喉嚨痛 have a sore arm 胳膊痛 have a sore foot 腳痛（3）身體部位 + hurt/ache。例如：My eyes hurt. 我眼睛痛。My legs ache. 我腿疼。（4）have a pain in/ on + the + 身體部位。例如：I have

3、 a pain in the arm. 我胳膊痛。（5）There is something wrong with + ones + 身體部位。例如： There is something wrong with your eyes. 你的眼睛有毛病。2. Staying up late is bad for your health.（1)stay up late 表示“熬夜；睡得很晚”。例如：I used to stay up late with my friends and watch movies. 我以前總是和朋友們一起熬夜看電影。（2) be bad for，意為“對有害處”。介詞fo

4、r后接名詞或代詞。其反義詞為be good for意為“對有好處，對有益處”例如：Junk food is not good for our health. 垃圾食品對我們的健康沒有好處。Smoking is bad for you. 吸煙對你有害。3. As soon as Michael saw it, he got mad.as soon as表示“一就”， 這個短語比較常用，口語和書面語都可以。它的特點是，在句子中的位置比較靈活，而且可以用于各種時態(tài)。例如：（1）指未發(fā)生的動作，規(guī)律是：主句用一般將來時，從句用一般現(xiàn)在時代替一般將來時。例如：I will tell him the ne

5、ws as soon as he comes back。他一回來我就會告訴他這個消息。【注意】有時，為了特意表達剛剛完成某事就如何，需要用現(xiàn)在完成時。例如：I will go with you as soon as I have washed my face.我一洗完臉就會跟你去。（2）指緊接著發(fā)生的兩個短動作，主從句都用一般過去時。例如： He took out his English books as soon as he sat down他一坐下就拿出了他的英語書?！就卣埂坑袝r跟某些單詞，如與possible相連“as soon as possible”，其實是“as soon as i

6、t is possible”的省略形式，意為“盡快，盡早”。例如：Please make your decision as soon as possible. 請盡快作決定。4. Youd better not read in the sun.had better(常簡略為d better)是一固定詞組，had better意為“最好”，用于表示對別人的勸告、建議或表示一種愿望。其用法有以下幾點：（1） had better后面必須跟動詞原形，構成had better do sth.句型。【注意】這里的had不能用have來替換。例如：Youd better go to hospital at

7、 once.你最好立即去醫(yī)院看病。Tom, youd better go there today.湯姆，你最好今天去那里。（2）主語不論是第幾人稱，句子不論是什么時態(tài)，都要用had better的形式。例如：Now you(he; we) had better listen to the teacher.你(他，我們)現(xiàn)在最好聽老師講。（3）had better 的否定形式為had better not意為“最好不要”。例如：Youd better not stay up late. 你最好不要睡的太晚。5. You should see a dentist.should是情態(tài)動詞，意為“應當

8、，應該”。表示義務、責任，可用于各種人稱，無人稱和數(shù)的變化，也不能單獨作謂語，只能和主要動詞一起構成謂語，表示說話人的語氣和情態(tài)；否定形式為should not，縮寫為shouldnt。其主要用法有： (1) 表示責任和義務，意為“應該”。例如： You should take your teachers advice. 你應該聽從你老師的建議。 You shouldnt be late for class. 你不應該上課遲到。 (2) 表示推斷，意為“可能，該”。例如： The train should have already left. 火車可能已經(jīng)離開了。6. I must ask h

9、im to give up smoking.must為情態(tài)動詞，意為“必須、一定要”，可用于肯定句、否定句或疑問句，其后需要接動詞原形；但要注意，當must用于否定句時，mustnt 的意思不是“不必”而是“一定不能”。例如：You must finish your homework today. 你必須今天把作業(yè)做完。You mustnt play with matches.你絕對不能玩火柴。Must we go right now？我們非要現(xiàn)在就走嗎？【注意】在回答以must開頭的一般疑問句時，肯定回答通常用“Yes,人稱代詞+must”；否定回答通常用“No, 人稱代詞+neednt.”

10、/dont have to。例如： Must he buy the book now? 他現(xiàn)在必須買書嗎？ No, he neednt. He can buy it tomorrow. 不，沒必要。他可以明天買。 Must he hand in his homework this morning? 他必須今天上午交作業(yè)嗎？ Yes, he must.是的，他必須今天早上交。7. Im feeling terrible. (1) feel是系動詞，后面接形容詞作表語，說明主語的狀態(tài)、性質、特征。例如： I feel tired. 我感覺累了。I feel so happy today. Mum

11、will buy me a new bike. 我今天很高興，媽媽要為我買輛新自行車。 【拓展】 類似feel這種用法的詞還有：look(看上去)；smell(聞起來)；sound(聽起來)；taste(品嘗)；get(變得)；grow(變得)等。The food tastes delicious. 食物嘗起來很美味。The song sounds nice. 那首歌聽起來很好聽。8. You need to have healthy eating habits.need意為“需要”，常用need to do sth.意為“需要做某事”，主語由“人”來充當。例如： Does she need

12、to know? 她需要知道嗎？ He didnt need to clean the house twice. 他無需打掃房間兩次。【拓展】 (1) need作為情態(tài)動詞的用法： need作為情態(tài)動詞使用時，后面接動詞原形；常用來回答以must開頭的一般疑問句的否定回答。例如： She need wash her car now. 她現(xiàn)在要洗車。Need she wash her car now?她現(xiàn)在要洗車嗎？She neednt wash her car now.她現(xiàn)在不需要洗車。 Must he repair the clock now? 他現(xiàn)在必須修鐘嗎？ No, he neednt

13、. He can repair it this afternoon. 不，沒必要。他可以今天下午修。(2) need作為行為動詞的用法： 1) 直接加賓語，即need sth.。例如： I need a new coat.我需要一件新外套。 He didnt need the money. 他不需要這筆錢。 2)可后接賓語，再接不定式，即need sb. to do sth.。例如： I need someone to look after her. 我需要有人來照顧她?！揪涫骄殹縄. 句型轉換，按要求完成下列句子。1.We must clean the classroom every da

14、y.（同義句轉換）We must _ the classroom _ every day.2.It took me two days to finish the book.（同義句轉換）I _ two days _ the book.3.You should eat an apple every day.（對劃線部分提問）_ _ you do every day?4.May I ask you some questions, Miss Wang?（對問句做出回答）Sure, go_.5.They have to get up early every day.（改為一般疑問句）_they _ _

15、 get up early every day?6.Must we drink eight cups of water every day?（作否定回答）No，_ _ _ _.7.Youd better ask our computer teacher for help.（改為否定句）Youd better _ _ our computer teacher for help.8.He talked with his father on the phone.（對畫線部分提問）_ did he _ with his father?9.His father coughs badly, so he m

16、ust stop smoking. (同義句轉換)His father has a bad cough, so he must_ _smoking.10.Whats wrong?（同義句轉換）Whats _ _？II. 根據(jù)漢語提示，完成句子。1.這個小女孩日夜思念著媽媽。The girl misses her mother _ and _.2. 你今天感覺怎么樣？不是很糟。How are you feeling today?_ _.3.露西和莉莉都是我的好朋友。_ Lucy _ Lily are my good friends.4.你的左腳怎么了？讓我給你檢查一下吧！Whats wrong

17、with your left foot? Let me _ it _.5.不要看電視看得時間太長了。Dont watch TV _ _.6.哈利吃了太多的糖果，很快他就牙疼了。Harry ate candy, so he soon. 7.布萊克先生總是擔心他的小兒子，因為他太小了不能照顧自己。Mr. Black is always about his little son because he is too young to .8.他有大量的工作要做，因此他經(jīng)常熬夜，感覺很累。He has lots of work to do, so he often late and feels .9.我們

18、應該經(jīng)常運動，這能幫助我們增強體質。We should do sports often, it can us our bodies10. 另一方面，我們需要吃健康食品而不是快餐。 ，we need to eat healthy food fast food.III.補全對話從所給的選項中選擇五個選項完成對話。 AFor two daysBIm not feeling wellCI can play soccer with my friendsDTake this medicine three times a dayEYou should sleep late again,FBut dont w

19、ork too longGIve also got a sore throatA：Whats wrong with you，young man?B： 1 A：Do you have a headache?B：NoBut Im coughing badly and 2 A：How long have you been like this?B： 3 A：Open your mouth and say “Ah.” Hmm，nothing seriousYouve just got a coldB：What should I do，doctor?A：Dont worry 4 Drink more wa

20、ter and have a good restB：Oh，doctor，I cant take a rest at homeI must go to schoolI have a very important exam tomorrowA：You can go to school 5 Then youll be all right very soonB：Thank you【參考答案】I. 句型轉換，按要求完成下列句子。1. make; clean 2. spent; reading 3. What should 4. ahead 5. Do; have to6. we/you dont hav

21、e to 7. not ask 8. How; talk 9. give up 10. the matter / the troubleII. 根據(jù)漢語提示，完成句子。1. day; night 2.Not bad 3.Both; and 4.check; over 5.for long 6. too much; had a toothache 7.worried; look after himself 8.stays up; tired 9. help; build up 10.On the other hand; instead of III. 情景交際 1-5. B G A D F第 8 頁