couldnt的原形

@晋先1421:couldnt的原形是什么 -
良泻19564558712…… cannot, can't, can not

@晋先1421:couldn't的原形是什么had的原形是什么met的原形是什么found的原形是什么 -
良泻19564558712…… couldn't的原形是could not had的原形是 have met的原形是 meet found的原形是 find

@晋先1421:哪一位帮忙写出这两个单词的原形:watch\couldn't 谢谢了. -
良泻19564558712…… watch 就是原形 couldn't + could not 或 can't = cannot

@晋先1421:can't和couldn't的用法和意思有什么不同,他们后面跟什么?都是原型吗? -
良泻19564558712…… 1,can could 都是情态动词,其后都加动词原形,can't couldn't 也一样,都加动词原形 2,同时could 是can 的过去式,二者又可表示具备"能力", can指现在具备的能力,could指过去具备的能力

@晋先1421:can't和couldn't的意思和用法有什么不同?后面跟什么?都是原型吗? -
良泻19564558712…… 用法意思几乎相同 后面都是接原型 没有例外情况 区别是 couldn't 委婉 而can't较为直接

@晋先1421:过去式的肯定句,否定句,疑问句的结构 -
良泻19564558712…… 1. be- was- were, 否定句: was not= wasn't, were not= weren't,一般疑问句把was, were提前到句首 如: I was at home yesterday. I wasn't at home yesterday. Were you at home yesterday? Where were you yesterday?2 行为动词: 主语+ 过去式 ...

@晋先1421:请问英语过去式的语法Why couldn't he decide -
良泻19564558712…… “这句话是一般过去式,decide为什么不用过去式decided” 因为句子中有情态动词 could ,因为情态动词后必须用动词原形, could 是can的过去式,所以本句的时态已经在 could上体现出来了.

@晋先1421:didn't的原形是什么? -
良泻19564558712…… 原形是:did not

@晋先1421:couldn't,told,came的原形是什么 - 作业帮
良泻19564558712…… [答案] could tell come

@晋先1421:小学英语什么后面加动词原形?越多越好!四种时态的句型结构和常写的小作文(10句)小学英语什么后面加动词原形?比如:can、can't、could、couldn... - 作业帮
良泻19564558712…… [答案] 一般将来时:将要发生的动作或存在的状态.结构:【两种】①主语+be【be动词:am/is/are】 going to+动词原形②主语+will+动词原形 如:I am going to reading 一般过去时:过去某个时间发生的动作或存在的状态.结构...

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