改被动语态He was doing his homework at this time yesterday .He was doing his homework at this time yesterday .--His homework was being done by him at this time yesterday ...为什么不能改成His homework was done by him at this time yesterday
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/17 11:53:30
改被动语态He was doing his homework at this time yesterday .He was doing his homework at this time yesterday .--His homework was being done by him at this time yesterday ...为什么不能改成His homework was done by him at this time yesterday
改被动语态He was doing his homework at this time yesterday .
He was doing his homework at this time yesterday .
--His homework was being done by him at this time yesterday
...为什么不能改成
His homework was done by him at this time yesterday
改被动语态He was doing his homework at this time yesterday .He was doing his homework at this time yesterday .--His homework was being done by him at this time yesterday ...为什么不能改成His homework was done by him at this time yesterday
过去完成时的被动语态就是
was/were + being + done 记住就行了
作业被做啊being done
原句子是was doing
改了后还是不能变啊
was being done
只是变换成被动形式啊~