have had been doing是什么时态
回答
爱扬教育
2022-03-10
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have：vt. 有; 持有; 占有; 由…组成; 显示出，带有(性质、特征)。
had：v. 有; 持有; 占有; 由…组成; 显示出(性质、特征)。
been：v. 曾经; 曾经到过(某地)。
doing：n. 所做的事; 发生的事; 所作所为。
扩展资料
She'll have had the results by now.
她现在应该知道结果了。
We have had to adapt quickly to the new system.
我们不得不迅速适应新制度。
We have had problems with the supply of raw materials to the factory.
我们在工厂的原料供应方面遇到过问题。
We are doing our best with the limited resources available.
我们利用可获得的有限资源，尽最大的努力。
Keep going like that ─ you're doing fine.
就这样做下去——你做得蛮不错嘛。
What is he doing calling at this time of night?
他干吗这么晚了还打电话？