have made是什么時態

　　We have made great progress in controlling inflation.

　　我們在抑制通貨膨脹方面取得了巨大進展。

　　The management have made no move to settle the strike.

　　資方沒有采取任何措施來解決罷工問題。

　　A less rugged vehicle would never have made the trip.

　　要不是這車結實，根本走不完這段路程。

　　We have made representations to the prime minister, but without success.

　　我們同首相進行交涉，但沒有效果。

　　Tax rises have made some inroads into the country's national debt.

　　增加稅收已使國債有所減少。