老师好,这里的完成时能否替代为其他时态,比如过去时,原文这样用有什么好处呢-The largest change in recent generations has been to our diet, although other critical elements of health — water, exercise, sun exposure, and sleep — also undergoing major shifts.&nbs...
...ughs in its relations and exchanges with the rest of the world.现在完成时态have seen可以改为一般过去式saw吗?2) Next year sees the centenary of Mahler's death. 句中的sees可以改为will see吗?
I can see that Tim is having trouble
balancing his project and his schoolwork, and I can see that both are of
importance to him.
上面的句子摘自“新高中英语译林版”必修一p37。请问这里的 have 表示“有”吧,为什么可以用于进行时态呢?
...dquo;答应”要要做的事就应该是将来的,所以应用将来时态(一般将来时、过去将来时)。如:
He promised (that) he would help us in the work. 他答应帮助我们进行这项工作。
She promised that she would write every week. 她答应过会每周写信...
The U.S. economy contracted by the most since the great recession 纽约时报的一则新闻标题,公布了一季度经济下滑了4.8%,不明白这里的 by the most 是什么含义? 我的理解是,这应当是一个省略句,by 后面应该是省略了一个具体的数...