请问第三人称过去式是用did还是用does?1.She does not konw London very well 2.He did nor understan2.He did not understand English请问这两句话都是过去式 为什么一个用does 一个用did?可以互换吗?

did是一般过去式吗?是一般过去时还是第三人称 请问第三人称过去式是用did还是用does?1.She does not konw London very well 2.He did nor understan2.He did not understand English请问这两句话都是过去式 为什么一个用does 一个用did?可以互换吗? 在英语中,一个句子有第三人称和过去式时,用does还是did what I did the things are right or wrong?请问这个句子是对的吗？did后面的are也该用过去式 还是原型？ 请问典型事迹材料用第一人称还是第三人称 一个过去式的句子里有Be动词 也是第三人称单数 那Be动词怎么改?是改成过去式的did,还是改成does? did she play the piano yesterday?和d?oes she play the piano yesterday?哪个对?在提问过去式时,同时又是第三人称单数,用did还是does?就像did she play the piano yesterday?和does she play the piano yesterday?哪个对? nobody是单数第三人称还是复数第三人称?please用中文 请问动词“have第三人称过去式? 英语动词例句例句::What did you do yesterday morning?I cut my finger.When did you cat your finger?请问 I cut my finger.这句中的cut 用的是原型还是过去式? 第三人称双数是用have还是has 请问was he absent from school last week?的另外说法或语法用法?was是be的过去式,我们可以说is he absent from school last week?或者did he absent from school last week?不是说第三人称单数要用be动词does吗?句子中was是 英语翻译你听到那个消息了吗 用过去式,是did you hear that news?还是do you heard that news?还是 did you heard that news? on duty是动词吗用在疑问句中（过去式）开头是用did还是was do+动词原形强调句型如果是第三人称,或者是过去式将来时态怎么用? do过去 复数did 是过去式 复数用什么 Did you的后面动词要不要用过去式 l例如 Did you listened to music 另一个 Did you listen tomusic?哪个对 接原形还是过去式?为什么.、 还是第三人称it -----[rian] hard yesterday.中ran是填它的过去式单数.如果罪是过去式要双写n吗有it不可以用现在时吗