初三英语上册知识点：交际用语
表示购物的习惯用语May / Can I help you?
How many / much would you like?
What colour / size would you like?
I want / I'd like…
How much is it / are they?
That's too expensive, I'm afraid.
Do you have any other colours / sizes / kinds?
That's fine. I'll take it.
表达开心的句子
How wonderful / nice!
That's lovely/great/wonderful!
I'm so happy. It's well done.
I'm pleased to know that.
表示祝愿的交际用语：
Have a good time!Good Luck!Well done!Congratulations!
Enjoy yourself!Marry Christmas! Happy Birthday!
表达"看病"的句子
What's wrong with you?
How are you feeling?
It's nothing serious.
You'll recover soon.
Take some medicine three times a day.
It can make you feel better.
I don't feel well.
It hurts here.
I feel terrible / bad.
I've got a pain here.
I've got a headache / cough / fever / cold.
重点词组（词）的辨析：
1. have to /must不得不，必须
have to 强调客观，must强调主观。例：
Mother is ill. I have to look after her.
I must study hard.
have to有时态、人称变化，否定问句结构用助动词。
have to → don't have to
has to → doesn't have to
had to → didn't have to
will have to → won't have to
must的否定式有mustn't和needn't，must只有一般现在时，needn't常作否定回答。
You mustn't eat in class. 上课不要吃东西。
Must I come here so early? 我必须这么早来吗？
No, you needn't .不，不必。
2. cost/pay for/ spend …on/in doing / take
花钱常用前三者，花时间常用后两者，句式为：
Sth. costs (sb.) ＋money.
Sb. pays money for sth..
Sb. spends money on (in doing) sth.. 例：
The book cost me ten yuan.我花10元钱买那本书。
I paid ten yuan for the book.
I spent ten yuan for /(in) buying the book.
take的句式为：
It takes sb. ＋time＋to do sth.. 例：
I spend much time on books.
我花很多时间读书。
I spend much time (in) reading books.
It takes me much time to read books.
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