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英语句子搞不懂,求教I’m really tired because I have cleaned the house

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英语句子搞不懂,求教
I’m really tired because I have cleaned the house ever since this morning .
这个句子应该怎么分 怎么翻译 为什么这里要用完成时 是不是和ever since有关呢?
英语句子搞不懂,求教I’m really tired because I have cleaned the house
I’m really tired 主句\\because I have cleaned the house ever since this morning 从句.
翻译:我真的很累了,因为从早晨我就在打扫房子.
1.ever since 的结构:(作为连词)=since 完成时态---- ever since +主+动词简单过去式
例:I have known him ever since he was a child.
他从小我就认识他了.
这种用法同since 差不多,不过 ever since 比 since 用得少.
再如:We have lived in Shanghai ever since we came to China.(自从我们来到中国之后就住在上海.)
2.以上所说的 ever since 作为连词.
ever since 也可作为副词,解释“此后”(就一直...)
例:1)He fell ill at Christmas and has been ill ever since.
他在圣诞节生病了此后就一直不适.(has + be ill)
2)He left home last year and has been away ever since.
他去年离家走了,此后一直在外面.(has + be away)
3)He fell off his horse a week ago and has been in bed ever since.
一周前他从马背上跌下来,从那以后就一直躺在床上.
4)He went to Turkey in 1950 and has lived there ever since.
他在1950年去土耳其,此后就一直住在那里.
3.has not been able to 这实际上就是 be able to 加上 have 罢了.所谓 be able to 就是“有可能”不是“能”(can).如果一直,始终没有可能就是has not been able to ,这很简单.
如果 it has not been easy.就是“那件事一直不是轻而易举的.”完成时态不一定都解释为“已经”,有时要解释为“一直”.