been和was were有什么区别
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发布时间:2022-04-24 18:30
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热心网友
时间:2023-11-01 11:01
规则动词的过去式和过去分词是一样的。
比如:stay-stayed-stayedstudy-studied-studiedlive-lived-lived等等。
不规则动词中:有些动词的过去式和过去分词是一样的。比如:leave-left-leftget-got-got.有些动词的过去式和过去分词是不一样的。比如:go-went-gonebe-was/were-been
用法上:过去式用在一般过去时里,过去分词么用在现在完成时
麻烦采纳,谢谢!
热心网友
时间:2023-11-01 11:02
were
sent:一般过去时的被动语态结构
例如:these
letters
were
sent
by
him.这些信被他寄送出去了。
have
been
sent:现在完成时的被动语态结构
例如:these
letters
have
been
sent
by
him
for
two
hours.这些信已经被他寄送出去两个小时了.