has changed a lot和be changed a lot的差别

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has changed a lot和be changed a lot的差别
has changed a lot和be changed a lot的差别

has changed a lot和be changed a lot的差别
has changed a lot是主动语态.be changed a lot是被动语态.前者是现在完成时,后者时态看不出来.前者翻译为,已经改变了很多.后者翻译为被改变了很多.

前者是主动的完成时[已经改变了很多],后者是被动。[被(其他事物)改变了很多]

前者主动,后者被动

时态不同,has changed a lot过去已完成的be changed a lot正在进行的