什么时候用have什么时候用was_什么时候用have什么时候用was

*** 次数：1999998 已用完，请联系开发者***

ˋ＾ˊ 高考踩坑的英语题,你能避开吗C. To have stopped。这个选项的不定式完成式表动作先于谓语,而“停下”与“写作”同时发生,无需强调先后,该答案被排除。 D. Having stop... 结合语境中时间上并无先后关系,所以该选项也不合适。 结合上面的分析,最佳的选项应该是B.Stopping.因此,完整句子:He was busy writing a s...

⊙▽⊙

“He did it this morning”竟是错的!这道英语陷阱题,千万避开!“She has done all the housework, so she can relax now.”(她已经做完了所有家务,所以现在可以放松了) 。回到题目,我们不确定小明作业是否完成,不能用现在完成时,所以B选项错误。 - C选项“was doing”:过去进行时,强调过去某个时间段内正在进行的动作。就像“He was doing his ...

动作未发生用to do,动作已完成用doing/to have doneI will be sorry _this company, but I was offered an opportunity _in a field which I really enjoy. A. for leaving: to have workedB. to leave: to workC. fo... 第一空to have left,不定式完成式to have done表示动作发生在主句谓语之前,I will be sorry to have left含义是等到将来某个时刻,回头为当初离开这...