had是什么时态的

现在完成时。 have(has) +done（动词过去式），这里的第一个have是完成时的标志，第二个had是动词。例句：we have had lunch.

扩展资料

表达将来时的几种结构:

be going to do：

表示最近打算进行的事,具有一定的目的性和计划性。(这种安排既有可能是主语做出的`,也有可能是别人安排的)

We are going to have a meeting tomorrow.

表示即将要发生的事情，不可避免要发生的事情。(多用于表天气)

Its getting cloudy. It is going to rain.

be to do：

表示按计划要发生的事,一般认为,这种计划是双方约定的，而 be going to do 所指的安排不一定是双方约定的。

We are going to meet them at the north of the bridge, because it is the only road they can follow. 我们打算去桥的北边堵他们,因为那是他们的必经之路。

We are to meet each other with them at the north end of the bridge. 双方约定好要在桥的北边见面.

be to do 还有很多情态用法，be going to do 没有以下用法。

You are to wash your hands before every meal.(表需要=need)

As Warrents parents,you are to set a good example to him.(表责任,义务,相当于,must should) Are we to clean the corridor,Mrs Dell? (表征求意见=shall)

The temperature is to drop soon.(表示可能性)

Would she get cross if I were to sail into her of lying?(表假设)

had had是什么时态

had had是过去完成时。had：v. 有; 持有; 占有; 由…组成; 显示出(性质、特征)。aux. had 有时代替 if 用于从句句首，表示某种情况可能发生但并未发生。have的过去分词和过去式......

had to 是什么时态

had to是一般过去时态，比如：It was rainy, so I had to stay at home yesterday.昨天下雨了，所以我不得不呆在家。had to 不得不扩展资料He had to go to the hospital for tre......

had doing是什么时态

过去进行时。表示过去某时正在进行的状态或动作。句式：主语+was/were+动词ing+其他。种类:1.表示过去某一时间内（正在）进行的动作。如：I was doing my homework at 9 oclock p.m......

有had是什么时态

可以用于过去时,此时是动词,如 I had my dinner at 8.p.m. alone in the cafeteria；再就是作为非谓语,可以是过去完成时had done,如 ：I had lost my book.过去完成进行时，had b......

had found是什么时态

had found是过去完成时态。had：v. 有; 持有; 占有; 由…组成; 显示出(性质、特征)。found：vt. 建立; 创建(组织或机构，尤指提供资金); 兴建(城镇或国家); 把…基于。扩展资料On......