中考英语请教老师!you can't /need't be serious.你不是开玩笑吧.能用need't

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中考英语请教老师!you can't /need't be serious.你不是开玩笑吧.能用need't
关于情态动词,
1.Would you come to my birthday party tomorrow evening?I'm afraid I( wouldn't 还是can't.)Ihave to look after my sister.为什么不用 can't.)
2.May I put my bike here?No,you(couldn't /-mustn't) .you should put it over there.
为什么不用couldn't

you can't be serious. 很口语化
换成need't意思变成,你不必如此严肃.
第一个是不能,不可以.can 一表能力,二表允许
第二个是不需要.need 需要无强制性 .通常和must、have to一同考察
考点1：以must（有强制性且主观)引导的一般疑问句其回答用need 或have to（有强制性且客观）
考点2：must/can't/表示猜测.肯定的猜测一般用前者,否定的猜测用后者.
PS：时间紧不举例了
1.Would you come to my birthday party tomorrow evening?I'm afraid I( wouldn't 还是can't.)Ihave to look after my sister. 为什么不用 can't.)
这是英语国家的语言习惯用can't是生硬而且的不礼貌的语气.比如你朋友问你,今晚来我的生日宴会怎么样.用这个词的话就相当于我们汉语中你回答,“我才不去呢”.你朋友听了者何感想?
wouldn't是很委婉的语气词,对于别人的邀请或要求一定要用这个回答.还可以用
I would love to 或 I would like to 口语中I would 缩写为I’ d.
2.May I put my bike here? No,you(couldn't /-mustn't) .you should put it over there.
为什么不用couldn't
首先说MAY 和can的用法一样都是向对方征求同意的但是MAY比can更礼貌通常用于对长辈或陌生人的对话中.
mustn't不可以.表示命令是强制性的,说明这里不让停车,你必须放那边.
couldn't不能.can的过去式,和would一样是委婉的语气,一般用在请求和邀请的句子中.根据上下文来判断,这种回答并不是委婉的请求你而是命令你必须把车放那边.
初中二年级阶段对于情态动词的考察并不多也不复杂,记住这几个考点就可以了.
祝你学习进步~

中考英语请教老师!you can't /need't be serious.你不是开玩笑吧.能用need't You can't be serious. you can't be serious是什么意思 you need,i can't give you you don't need to be You can’t come back?I don’t need you! YOU don't need to ``````` you don't need to You don't need love if you don't need anything,you can put anything You don't need to prove that I can You don't need to be.的语法问题.