过去完成进行时 Past Perfect Progressive
形式:had + been + verb-ing.
过去完成进行时是过去的现在完成进行时。请比较以下两个句子:
A) It has been raining all night, and the streets are still wet now.
B) It had been raining all night, and the streets were still wet in the morning.
在A)句里,昨晚一整晚下雨,现在街头还是湿的。在B)句里,今早(也是过去)的街头也还是湿的,但现在已经干了。 |
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