were having是什么时态,having had是什么时态

were having是什么时态,having had是什么时态

⊙△⊙ werehaving 是什么时态were having 是过去进行时，表示过去某个时间正在做什么，如：we were having a meeting when the boss came in 我们正在开会，老板进来了；过去进行时，have done谓语动词的时态，我们这里需要的是非谓语鸭？这个问题其实很好解决：把它变成非谓语就行。doing + have done having done 小结：having done表主动且非谓语动词早于谓语动词发

4. had run away …arrived 5. had turned off …went 6. went …had made 7. said …had read 8 .failed …had made 9. (had) finished …left 10. were having/had had …having lived 9. He hasn’t got used ___ in the countryside yet. A. live B. to live C. to living D. living 10. Missing the train means ___ for an hour. A. to wait B

˙﹏˙ 26、What ___you___( do, did, was、、、doing, were…doing) at this time yesterday evening? 27、We___(have, are having, had, were having) dinner when the doorbell rmorning判断句子是一个过去的时间，时态用过去时；而While引导的句子通常用进行时，所以本句使用过去进行时，构成为were/was+动词现在分词，主语是we,所以系动词用were,have an En

过去进行时态与现在进行时态的区别是时间上的不同，体现在形式上就是过去进行时态的时间助动词是be的过去式was/were,并由助动词was/were来承担主谓一致的功能。例：We were having ①when是at or during the time that, 既指时间点，也可指一段时间，while是during the time that,只指一段时间，因此when引导的时间状语从句中的动词可以是终止性动词，也可以是

过去进行be是个动词，having done是非谓语动词doing的完成时形式。have done是“现在完成时”的体现。having done是动词-ing形式的完成式，表示该动作发生在谓语动词之前