is,return,are,decide,make,cover,ring,have,take,wake,want的过去时态和完成时态,

如果您认可我的答案,请点击下面的“选为满意回答”按钮,is was beenreturn returnd returnedare were beendecide decided decidedmake made made',cover covered covered,ring rang rung,have had had,take took tak...