-
最佳答案:had had
-
最佳答案:have的过去式和过去分词都是had,但是具体应用有区别.1.表示过去用过去式:We had a meeting yesterday .(发生在过去)2.表示现
-
最佳答案:原动词do,过去式是did(表示过去做过某事),过去分词是have/has done(表示说话的此刻刚刚做完某事),其中have done适用于复数人称,如we
-
最佳答案:uy bought boughtdo did donehave had hadsee saw seenopen opened opened
-
最佳答案:原形 过去式 过去分词have had hadkeep kept keptmean meant meantring rang rungsmell smelt s
-
最佳答案:原 过去式 过去分词 现在分词 复数cry cried cried crying crieshave had had having havesfall fell