兩句的意思都是不知道,根本區(qū)別是時(shí)態(tài).
I don't know是一般現(xiàn)在時(shí)態(tài),發(fā)生在現(xiàn)在的事.
I didn't know是過(guò)去時(shí)態(tài),發(fā)生在過(guò)去的事,
因?yàn)閘ike是實(shí)義動(dòng)詞,所以否定需要要助動(dòng)詞do,不能用am,因?yàn)閍m畢竟也是個(gè)be動(dòng)詞.
只要在I am a student的否定句式i am not a student.
兩個(gè)簡(jiǎn)單的英語(yǔ)語(yǔ)法問(wèn)題,I don't know和I didn't know有什么區(qū)別額?
兩個(gè)簡(jiǎn)單的英語(yǔ)語(yǔ)法問(wèn)題,I don't know和I didn't know有什么區(qū)別額?
第二個(gè)問(wèn)題是,I don't like him為什么不能寫(xiě)成I'm not like him 語(yǔ)法一竅不通.
第二個(gè)問(wèn)題是,I don't like him為什么不能寫(xiě)成I'm not like him 語(yǔ)法一竅不通.
英語(yǔ)人氣：829 ℃時(shí)間：2020-04-14 14:43:10
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