作业帮句型转换 1.They have been talking for the whole three hours.（改成一
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/21 09:17:48
句型转换 1.They have been talking for the whole three hours.（改成一般疑问句）
1.__ they__ __ for the whole three hours?
2.We played basketball three hours ago.（改为现在完成进行时）
We __ __ __ basketball __ __ __.
3.He has been writing .（对划线句子提问 “”是划线句子）
__ __ __ he been writing?
4.My mother has been teaching math here for twenty years.（用since改写）
My mother has been teaching math here __ __ __ __.
速度（今天内..）
1.__ they__ __ for the whole three hours?
2.We played basketball three hours ago.（改为现在完成进行时）
We __ __ __ basketball __ __ __.
3.He has been writing .（对划线句子提问 “”是划线句子）
__ __ __ he been writing?
4.My mother has been teaching math here for twenty years.（用since改写）
My mother has been teaching math here __ __ __ __.
速度（今天内..）
1._Have_ they_been_ _talking_ for the whole three hours?
2.We played basketball three hours ago.（改为现在完成进行时）
We _have_ _been_ _playing_ basketball _for_ _three_ _hours_.
3.He has been writing .（对划线句子提问 “”是划线句子）
_How_ _long_ _has_ he been writing?
4.My mother has been teaching math here for twenty years.（用since改写）
My mother has been teaching math here _since_ _twenty_ _years_ _ago_.
希望有帮助~~
2.We played basketball three hours ago.（改为现在完成进行时）
We _have_ _been_ _playing_ basketball _for_ _three_ _hours_.
3.He has been writing .（对划线句子提问 “”是划线句子）
_How_ _long_ _has_ he been writing?
4.My mother has been teaching math here for twenty years.（用since改写）
My mother has been teaching math here _since_ _twenty_ _years_ _ago_.
希望有帮助~~
句型转换 1.They have been talking for the whole three hours.（改成一
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