He may have been reading.为什么有been又有 reading?
He may have been reading.为什么有been又有 reading?
i have read the book和i have been reading the book有什么分别
could have been 和may have been 有什么区别?
英语翻译had been reading
Every time I see him,he's been reading.Every time I have see
he has been reading the book all day.Ask him to stop to have
may have been和may be有什么区别?
英语翻译What newspapers have you been reading recently?
he has never been abroad是什么时态 为什么有been
有must/could/can/may/maight have been done吗
We have been waiting since 8.00(改为否定句) she has been reading
英语:助动词的问题he must(can't may等) have been asleep,就有两个助动词,must ,