作业帮They have been waited for twenty minutes.这个句子中有一处错误,请指出并改正我还没学现在完成时,
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They have been waited for twenty minutes.这个句子中有一处错误,请指出并改正我还没学现在完成时,
They have been waited for twenty minutes.这个句子中有一处错误,请指出并改正
我还没学现在完成时,
They have been waited for twenty minutes.这个句子中有一处错误,请指出并改正我还没学现在完成时,
waited改成waiting
这是一个现在完成进行时句式.
其构成为：主语+助动词（have/has）+been+动词的现在分词+其他成分.
waited改为waiting 这个是完成进行时
Thay habe been waiting for ....
现在完成进行时，动词 要可持续性的，表示：动作在现在时间点之前已经开始还要继续下去（还没停止）
have been 是被动态 应去掉been 此句翻译为他们已经等了20分钟 等待为主动 所以不加been
waited改为waiting
这里主要区分的是主动和被动。be done是被动，句子表达的应该是“等”而不是“被等”，所以不能用be waited.
have been doing sth一直在做某事(现在完成进行时)
they have been waiting for twenty minutes.他们一直等了20分钟。或者
they have waited for twenty minutes。 他们等了20分钟。
Where have they been?
They have a____ been there
what have they been doing 是什么时态
What places have they been?怎么翻译?
where have they been?是现在完成时吗?
they have been in kate's for
they have been the subject of debate
they have been acting up more lately
they have been there before.so have i they have been there before.(),() 改为同义句
They have been here once.把been换成came怎么样
they said they have been married for ten years
They have never been opened.为什么不可以是They never have been opened.
they have been here since 1988,对1988进行提问,（）（）have they been here?
They have been friends for 6 years. 改为同义句 They have been friends _______ _______.
They have been skating for five hours 同义句 They have been skating_______ _____ ________ ______
Where have they been?能不能说：They have been in their room.
How long__?Do you know?A have they married B have they got married C have they been marriedD have they been married to
他们结婚十年了 They have been married for ten years 为什么要用have been