当他正在读书时,Amy回来了,英语怎么说

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当他正在读书时,Amy回来了,英语怎么说

当他正在读书时,Amy回来了,英语怎么说
当他正在读书时,Amy回来了,英语怎么说

当他正在读书时,Amy回来了,英语怎么说
Amy came back when he was reading

Amy comes back when he is reading

He was reading when Amy came back.(过去)
He is reading when Amy comes back。(现在)
注意when 后接一般现在式、一般过去式,不接现在进行时、过去进行式

when (或者while) he was reading, Amy came back.