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sth|人教版|八年级上册英语知识点大汇总，你正需要！( 七 )


接受：Sure/Yes/Of course, I’d love/like to.
拒绝:：① I’m sorry, I can’t. I have to/must V原 (陈述理由 )
② I’d love/like to, but I … (理由)
3.I’m afraid not. I…(理由)
二. must与have to
1. must 表示主观“必须”；must 表示“主观上的要求” ， 无人称和时态的变化 ， 否定回答: needn’t 或 don't have to (不必) 。 mustn’t 表示“禁止”.
2. have to表客观需要 ， 有人称和时态变化 ， 否: don’t / doesn’t / didn’t have to (没必要)
—Must I be home before eight o’clock? 8点之前我必须回家吗？
—Yes, you must. / No, you needn't. / No, you don't have to.
Unit10 If you go to the party, you’ll have a great time!
【重点词语/短语用法解析】
1. have a great time 意为“玩得愉快” ， =enjoy oneself, have fun, have a good / wonderful / nice time
have a great / good time in (doing) sth. 做某事很开心
2. ask sb.（not）to do sth. 要求某人（不）做某事
The teachers ask us to do (do) lots of homework.
3. order sth. from地点“从某地订购食物”
I want to order some books from the book store.
4. keep…to oneself 保守秘密
5. unless conj. 除非；如果不
unless 引导的条件句表示在特定条件下 ， 才决定做或不做一件事 。 =if...not
The concert will be held as schedule unless there is a typhoon.= The concert will be held as schedule if there is not a typhoon.
6. be afraid to do sth. 害怕干某事
I’m afraid to speak in front of other people.
be afraid of sth. 害怕某事
He told me not to be afraid of difficulties.
be afraidthat从句
I’m afraid that I can’t finish on time
7. be angry with sb.
We were angry with him for keeping us waiting.
be angry at/about sth.
He is angry at/about your answer.
I was very angry at what he said.
8. in the end 最后；终于= at last/ finally
at the end of 在...末端；到...尽头
He married the nice girl in the end/at last/finally.
The school is at the end of the street.
9. careless adj. 粗心的；反义词：careful ，意为“小心的” 。
The boy is very careless. 这个男孩很粗心 。
He is more careful than me. 他比我认真 。
10. advise v.“劝告；建议”n. advice, 是不可数名词.
Give me some advice!
advise doing sth. 建议做某事 。
advise sb.（not）to do sth. 建议某人（不）做某事
I advise waiting till the right time. 我建议等到适当的时候 。
I advise him not to sleep late every day. 我建议他不要每天睡懒觉 。
11. It’s best (not) to do sth. 最好（不）做某事
It’s best to speak English every day.
12. run away from“ 从…逃离” “逃避”
13. cut …in half “切成两半”
【重点语法】
if条件句
if条件句：条件句用于陈述语气 ， 表示假设的情况可能发生 ， 其中 if 是“如果”的意思 ， 引导条件状语从句 ， if从句用一般现在时 ， 主句则用一般将来时 。
sth|人教版|八年级上册英语知识点大汇总，你正需要！
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注意：在与if条件句连用的主句中我们一般用will 表示将来时 ， 而不用be going to 表示将来时 。
【sth|人教版|八年级上册英语知识点大汇总，你正需要！】PS：在when（当…时候）, after, before 等引导的时间状语从句中 ， 如果主句为一般将来时 ， 从句要用一般现在时表示将来（主将从现） 。
如： I will call you when I reach Canada. 我一到加拿大就给你打电话 。


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