Had I known that I would never have come.
要是早知道,我绝不会来的。
He had to go to hospital for treatment.
他不得不去医院接受治疗。
I've had to put my plans into cold storage.
我不得不把我的'计划暂时搁置起来。
I had a long conversation with her the other day.
前几天我与她作了一次长谈。
We had no say in the decision to sell the company.
在决定出售公司的问题上,我们没有发言权。