She'll have had the results by now.

　　她現(xiàn)在應(yīng)該知道結(jié)果了。

　　We had a day out in the country.

　　我們?cè)卩l(xiāng)下玩了一天。

　　He had to go to the hospital for treatment.

　　他不得不去醫(yī)院接受治療。

　　Had I known that I would never have come.

　　要是早知道，我絕不會(huì)來的。

　　He had to go to hospital for treatment.

　　他不得不去醫(yī)院接受治療。