would had是什么时态

would had是过去式时态。

wouldmodal.将; (will的过去式，用于转述)将会; 带出想象的结果; (表示可能发生的事情没有发生，是因为之前另一件事没有发生)就会。

hadv. 有; 持有; 占有; 由…组成; 显示出(性质、特征)。

Would that he had lived to see it.

他要是能活到看见这该多好哇。

Sitting at home would only have had him climbing the walls with frustration.

呆在家里只会让他沮丧得抓狂。

They also reported that 87% of people asked either would eat or had eaten food fallen on the floor.

他们的报告也指出87%的受访者会吃或吃过掉在地上的食物。

We carved their names on the stones so that future generations would know what they had done.

我们把他们的名字刻在石头上，为的是让后人知道他们的作为。

And just think of how wonderful it would be if you had a live-in robot.

想想如果你家里有个机器人将会是多好的事情啊。