know的过去式

过去式是knew ，中文意思是v. 知道;知悉;了解;认识到;懂得;意识到;确信;确知;肯定; 词典 ; 例句 She knew she had only to call and he would come running. 她知道只要打个电话，他就会高高兴兴地照办...