英语seem用法疑惑_______nobody knew what had happened.A.It seemed that B.It seems that 到底是seemed还是seems?为什么?

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英语seem用法疑惑_______nobody knew what had happened.A.It seemed that B.It seems that 到底是seemed还是seems?为什么?
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英语seem用法疑惑_______nobody knew what had happened.A.It seemed that B.It seems that 到底是seemed还是seems?为什么?
英语seem用法疑惑
_______nobody knew what had happened.
A.It seemed that B.It seems that
到底是seemed还是seems?为什么?

英语seem用法疑惑_______nobody knew what had happened.A.It seemed that B.It seems that 到底是seemed还是seems?为什么?
都可以的
意思说这似乎是没有人知道发生了什么

A是过去式，B是一般现在时， 这里应该用A，因为从句中knew 是过去式。

这时应该选用B, 解释是： 1. It是形式主语, 真正主语是一个句子" nobody (主) knew(谓) what had happen(宾语从句)", 从'knew“可以看出这个句子是一个一般过去时时态,所以整个句子应选用"It seems"，选用一般现在时, 2. 如果问题换成是____ nothing had happened,就应选 B,选用一般过去时 it seemed

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这时应该选用B, 解释是： 1. It是形式主语, 真正主语是一个句子" nobody (主) knew(谓) what had happen(宾语从句)", 从'knew“可以看出这个句子是一个一般过去时时态,所以整个句子应选用"It seems"，选用一般现在时, 2. 如果问题换成是____ nothing had happened,就应选 B,选用一般过去时 it seemed
看明白没? 结论就是: 宾语从句中的时态要比整个句子的时态要过去一级, 如: 如宾语从句中选用一般过去时/过去进行时,主句中就选现在时(seems), 如果宾语从句中选用过去完成时,主句中就选一般过去时(seemed)
排序: 过去完成时-->过去进行时/一般过去时-->一般现在时/现在进行时-->一般将来时/将来进行时-->将来完成时

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请注意以下句型的反义疑问句的用法： 1．当陈述部分的主语是I , everyone,1969年毕业于四川外语学院英语系，中学高级教师。在国内报刊上发表数十篇英语

请教英语seem的用法? 英语seem用法疑惑_______nobody knew what had happened.A.It seemed that B.It seems that 到底是seemed还是seems?为什么? 英语达人速进!seem to 的用法. seem 用法 英语,seem的用法seem+__+表语,表语多为名词或形容词；seem+___,与其一起构成谓语 seem的用法是什么? seem like的用法 seem的用法是什么? seem的一般用法 关于seem的用法 seem的用法英语语法seem like的 seem like的具体用法 seem as if 的用法 seem和seem like的区别中文、用法 英语Be动词用法有点疑惑到底何时用Be动词,何时不用 seem,whether的用法和词性 remain与seem的用法区别 seem与look as if 用法区别