1)be + going to + do结构主要表示意图(即打算在最近的将来进行某事)和预见(即现在已有迹象表明将要发生或即将发生某种情况)。 【例如】 We are going to put up a building here. How are you going to spend your...
It (This, This evening, yesterday...) is (was, will be) first (second, third...) time (day, month...)...结构中的从句,要求用完成时态。 【例如】 Is this the first time you've been to Beijing?This is t...
1)表示刚刚过去的动作。用现在进行时表示刚刚过去的动作,只适用于口语中某些表示说话的动词,如talk, speak, tell, say等。 【例如】 Do you hear what he is saying, mother?Every word I am telling you is true...