请问did,didn't和have,haven't有什么区别吗?它们都是代表过去的,比如I didn't finish my work yesterday和I haven't finish my work yesterday都是代表我昨天没有完成工作,但是有什么区别呢?这两个词的用法有什么

请问：Didn't you cook?和Did you not cook.意思有什么区别?如题. 请问did,didn't和have,haven't有什么区别吗?它们都是代表过去的,比如I didn't finish my work yesterday和I haven't finish my work yesterday都是代表我昨天没有完成工作,但是有什么区别呢?这两个词的用法有什么 -didn't the robot have a rest?-______,because it never gets tiredAno,it did Byes,it did Cno,it didn't Dyes,it didn't didn't have to 和don''t have to 区别 have didn't have you Jill what did breakfast I breakfast for 造句 请问didn't did don't not或者还有什么的,是怎么个用法比如why didn't you say goodbye 和why don't you say good bye一样吗?都可以这么用吗?谢谢! hadn't 和 didn't have的区别RT --you didn`t wait for Mr.black last night,did you?--No,but we____.He didn`t return home at allA.couldn`t have B.needn`t have C.didn`t need to D.shouldn`t have 请问 I didn't know和little did i know的区别请问 I did not know与little did i know都是 的意思 两者之间的区别与用法有什么不同 He didn't have time to attend the important meeting?N_____ he did.根据首字母填空 He didn't have any difficulty in doing so.neither did his assistant. You have done your job,______?A：didn't you B：have you C：haven't youD：did you does和doesn't和did和didn't分别怎么用?用于什么? Did you have trouble with the language? No,I didn't. But the American did.怎么翻译? 49.——You didn't wait for Mr.Black last night,did you?——No,but we ____.He didn't retur详解49.——You didn't wait for Mr.Black last night,did you?——No,but we ____.He didn't return home at all.A.couldn't have B.needn't have C.didn't need did you have breakfast this morning A yes,l had B yes,l did C no,l hadn't D no,l didn't have选什么 i did't mean it 和 i didn't by intention相同吗 why did he not have breakfast?与why didn’t he have breakfast?有什么区别吗