...了多长时间因此，持续时间状语是比具的eg. I have been busy since last Month. I have been busy for a couple of weeks. 问题一，那么是否也可以说 I have been busy lately? lately; recently 是否也属于持续时间状语问题二，为什么动态动词的现在完成进行...
... lost.I
looked at the map and then at the millimeter. I had come ten miles since
leaving the town, and at this point, according to my father, I should be looking at farms and
cottages in a valley, with the spire of the church of our village showing in
the far distance.老师：1）这里是not
that....
...吗? 请问老师，以下几个句子语法成立吗？（主要是时态问题）1）Half an hour has gone by, but the last bus hasn’t come yet. We have to walk home. 2）Half an hour went by, but the last bus didn’t come. We had to walk home. 3）Half an hour went by, but the last bus ha...
...ery annoying this evening. 你兄弟今晚很烦人。尤其是用在进行时态的被动语态中，比如下面的句子都是从一本语法上找的。如：He is being carried. 他正被抬着。The road is being repaired. 路正在修整。Your steak is being grilled. 你的牛排正在烤。...
... world 的用法▲P27▲when doing sth 如何变成从句（如何确定时态）▲P28▲near
downtown 还是 near the downtownhead to a place 与 head
for a place关于do a good job of doing sth 的替代用法▲P29▲句末的 to choose from 可以省略 from 吗Can’t wait!（为什么没...
...里是are）,但是4）,5）的主句却使用了will be ？主句不同的时态，产生的理解含义差别是什么？1）,2）3）也可以使用will be, 4）,5）也可以使用are吗？1)If we are divided, we are weak and at the mercy of the employers.2)If you stir, you are a dead man.3)If y...