have been 有没有回来
have been 有没有回来
有没有have to been done
有没有be have been的说法?
有没有have been doing 这个时态?
请问:有没有must have been?
must have been和can't have been和现在完成时有没有联系啊
i have been there 和 i have been to china为什么一个有to一个没有?
有没有is said to have been doing的结构
有没有have doing这个说法?我们都知道现在完成时有have done 和have been done 两种用法,
they have gone shopping是不是去了还没回来,如果回来了是否得改成they have been to
关于英语语法中的现在完成时..谢.有没有“don't have been to”的用法啊?
急could have been doing sth有没有可能翻译成“可能是在做...”?