作业帮搞不懂时态They ______(chat)with each other when I ______(pass)the classroom My father_______(be)to paris twice
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搞不懂时态They ______(chat)with each other when I ______(pass)the classroom My father_______(be)to paris twice
搞不懂时态
They ______(chat)with each other when I ______(pass)the classroom
My father_______(be)to paris twice
搞不懂时态They ______(chat)with each other when I ______(pass)the classroom My father_______(be)to paris twice
are chating passed
has been
were chatting
past
has been
were chatting,passed
has been
were chatting past
has been
were chatting passed
has been
were chating passed(中间有when，说明从句的动作是个短动作)
has been（关键词是twice，说明曾经去过）。做题应该先把关键词找到，再分析语法，望采纳！
第一空是过去进行时态were chatting第二空是过去进行时passed第三空是现在完成时has been