was not和did not的區別和用法
來源:才華庫 1.18W
用法如下:
(1)was 用作系動詞,後接名詞,形容詞,介詞等。
例如,He was not a teacher ten years ago.
十年前,他不是一名老師。
(2)was與動詞ing形式構成複合謂語,表示過去進行時態。
he was not reading a book.
他當時沒有在讀書。
(3)was和動詞過去分詞構成複合謂語,表示被動語態。
The meeting was put off.
會議沒有被推遲。
did not是do not的.過去式,可以縮寫為didn't,常用作一般過去時態的句子中,“幫助”實義動詞完成疑問句或否定句。
He did not have breakfast this morning.
他今天早晨沒吃早餐。
Didn't you watchTV last night?