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Unit 2 Keeping Healthy
句式精讲精练
【句式精讲】
1. I have a cold.
have a cold是动词短语,意为“患感冒,伤风”,也可以说成catch a cold/get a cold或take a cold。其中have表示“患病,得病”,不能用于进行时态,但可与一段时间连用,表示状态;而catch/get a cold则表示瞬时动作,不能同一段时间连用。例如:
I have had a cold for three days. 我感冒三天了。
此句也可以表达为:
I had/caught/got a cold three days ago.
【拓展】
表示人体某部位“痛”时的几种结构:
(1)have a + 身体部位名词后加-ache构成。例如:
have a headache 头痛
have a toothache 牙痛
have a stomachache胃痛
(2)have a sore + 身体部位名词。例如:
have a sore throat 喉咙痛
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have a sore arm 胳膊痛
have a sore foot 脚痛
(3)身体部位 + hurt/ache。例如:
My eyes hurt. 我眼睛痛。
My legs ache. 我腿疼。
(4)have a pain in/ on + the + 身体部位。例如:
I have a pain in the arm. 我胳膊痛。
(5)There is something wrong with + one’s + 身体部位。例如:
There is something wrong with your eyes. 你的眼睛有毛病。
1. 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.
我以前总是和朋友们一起熬夜看电影。
(2) be bad for,意为“对……有害处”。介词for后接名词或代词。其反义词为be good for意为“对……有好处,对……有益处”例如:
Junk food is not good for our health. 垃圾食品对我们的健康没有好处。
Smoking is bad for you. 吸烟对你有害。
3. As soon as Michael saw it, he got mad.
as soon as表示“一……就”, 这个短语比较常用,口语和书面语都可以。它的特点是,在句子中的位置比较灵活,而且可以用于各种时态。例如:
(1)指未发生的动作,规律是:主句用一般将来时,从句用一般现在时代替一般将来时。例如:
I will tell him the news as soon as he comes back。
他一回来我就会告诉他这个消息。
【注意】有时,为了特意表达刚刚完成某事就如何,需要用现在完成时。例如:
I will go with you as soon as I have washed my face.
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我一洗完脸就会跟你去。
(2)指紧接着发生的两个短动作,主从句都用一般过去时。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语书。
【拓展】
有时跟某些单词,如与possible相连“as soon as possible”,其实是“as soon as it is possible”的省略形式,意为“尽快,尽早”。例如:
Please make your decision as soon as possible.
请尽快作决定。
4. You’d better not read in the sun.
had better(常简略为’d better)是一固定词组,had better意为“最好”,用于表示对别人的劝告、建议或表示一种愿望。其用法有以下几点:
(1) had better后面必须跟动词原形,构成had better do sth.句型。
【注意】这里的had不能用have来替换。例如:
You’d better go to hospital at once.你最好立即去医院看病。
Tom, you’d better go there today.汤姆,你最好今天去那里。
(2)主语不论是第几人称,句子不论是什么时态,都要用had better的形式。例如:
Now you(he; we) had better listen to the teacher.你(他,我们)现在最好听老师讲。
(3)had better 的否定形式为had better not意为“最好不要”。例如:
You’d better not stay up late. 你最好不要睡的太晚。
5. You should see a dentist.
should是情态动词,意为“应当,应该”。表示义务、责任,可用于各种人称,无人称和数的变化,也不能单独作谓语,只能和主要动词一起构成谓语,表示说话人的语气和情态;否定形式为should not,缩写为shouldn’t。其主要用法有:
(1) 表示责任和义务,意为“应该”。例如:
You should take your teacher’s advice. 你应该听从你老师的建议。
You shouldn’t be late for class. 你不应该上课迟到。
(2) 表示推断,意为“可能,该”。例如:
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The train should have already left. 火车可能已经离开了。
6. I must ask him to give up smoking.
must为情态动词,意为“必须、一定要”,可用于肯定句、否定句或疑问句,其后需要接动词原形;但要注意,当must用于否定句时,mustn’t 的意思不是“不必”而是“一定不能”。例如:
You must finish your homework today.
你必须今天把作业做完。
You mustn’t play with matches.
你绝对不能玩火柴。
Must we go right now?
我们非要现在就走吗?
【注意】在回答以must开头的一般疑问句时,肯定回答通常用“Yes,人称代词+must”;否定回答通常用“No, 人称代词+needn’t.”/don’t have to。例如:
— Must he buy the book now? 他现在必须买书吗?
— No, he needn’t. He can buy it tomorrow. 不,没必要。他可以明天买。
— Must he hand in his homework this morning? 他必须今天上午交作业吗?
— Yes, he must.是的,他必须今天早上交。
7. I’m feeling terrible.
(1) feel是系动词,后面接形容词作表语,说明主语的状态、性质、特征。例如:
I feel tired. 我感觉累了。
I feel so happy today. Mum will buy me a new bike.
我今天很高兴,妈妈要为我买辆新自行车。
【拓展】
类似feel这种用法的词还有:look(看上去);smell(闻起来);sound(听起来);taste(品尝);get(变得);grow(变得)等。
The food tastes delicious. 食物尝起来很美味。
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The song sounds nice. 那首歌听起来很好听。
8. You need to have healthy eating habits.
need意为“需要”,常用need to do sth.意为“需要做某事”,主语由“人”来充当。例如:
Does she need to know? 她需要知道吗?
He didn’t need to clean the house twice. 他无需打扫房间两次。
【拓展】
(1) need作为情态动词的用法:
need作为情态动词使用时,后面接动词原形;常用来回答以must开头的一般疑问句的否定回答。例如:
She need wash her car now. 她现在要洗车。
Need she wash her car now?她现在要洗车吗?
She needn’t wash her car now.她现在不需要洗车。
— Must he repair the clock now? 他现在必须修钟吗?
— No, he needn’t. He can repair it this afternoon. 不,没必要。他可以今天下午修。
(2) need作为行为动词的用法:
1) 直接加宾语,即need sth.。例如:
I need a new coat.我需要一件新外套。
He didn’t need the money. 他不需要这笔钱。
2)可后接宾语,再接不定式,即need sb. to do sth.。例如:
I need someone to look after her. 我需要有人来照顾她。
【句式精练】
I. 句型转换,按要求完成下列句子。
1.We must clean the classroom every day.(同义句转换)
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We must _______ the classroom _______ every day.
2.It took me two days to finish the book.(同义句转换)
I _______ two days _______ the book.
3.You should eat an apple every day.(对划线部分提问)
_______ _______ you do every day?
4.—May I ask you some questions, Miss Wang?(对问句做出回答)
—Sure, go_______.
5.They have to get up early every day.(改为一般疑问句)
_______they _______ _______ get up early every day?
6.Must we drink eight cups of water every day?(作否定回答)
No,_______ _______ _______ _______.
7.You’d better ask our computer teacher for help.(改为否定句)
You’d better _______ _______ our computer teacher for help.
8.He talked with his father on the phone.(对画线部分提问)
_______ did he _______ with his father?
9.His father coughs badly, so he must stop smoking. (同义句转换)
His father has a bad cough, so he must_______ _______smoking.
10.What’s wrong?(同义句转换)
What’s _______ _______?
II. 根据汉语提示,完成句子。
1.这个小女孩日夜思念着妈妈。
The girl misses her mother _______ and _______.
2. —你今天感觉怎么样?
—不是很糟。
—How are you feeling today?
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—_______ _______.
3.露西和莉莉都是我的好朋友。
_______ Lucy _______ Lily are my good friends.
4.你的左脚怎么了?让我给你检查一下吧!
What’s wrong with your left foot? Let me _______ it _______.
5.不要看电视看得时间太长了。
Don’t 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.布莱克先生总是担心他的小儿子,因为他太小了不能照顾自己。
Mr. Black is always about his little son because he is too young to .
8.他有大量的工作要做,因此他经常熬夜,感觉很累。
He has lots of work to do, so he often late and feels .
9.我们应该经常运动,这能帮助我们增强体质。
We should do sports often, it can us our bodies
10. 另一方面,我们需要吃健康食品而不是快餐。
,we need to eat healthy food fast food.
III.补全对话
从所给的选项中选择五个选项完成对话。
A.For two days.
B.I’m not feeling well.
C.I can play soccer with my friends.
D.Take this medicine three times a day.
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E.You should sleep late again,
F.But don’t work too long.
G.I’ve also got a sore throat.
A:What’s wrong with you,young man?
B: 1
A:Do you have a headache?
B:No.But I’m coughing badly and 2
A:How long have you been like this?
B: 3
A:Open your mouth and say “Ah...”
Hmm,nothing serious.You’ve just got a cold.
B:What should I do,doctor?
A:Don’t worry. 4 Drink more water and have a good rest.
B:Oh,doctor,I can’t take a rest at home.I must go to school.I have a very important exam tomorrow.
A:You can go to school. 5 Then you’ll be all right very soon.
B:Thank you.
【参考答案】
I. 句型转换,按要求完成下列句子。
1. make; clean 2. spent; reading 3. What should 4. ahead 5. Do; have to
6. we/you don’t have to 7. not ask 8. How; talk 9. give up
10. the matter / the trouble
II. 根据汉语提示,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
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III. 情景交际
1-5. B G A D F
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