didn’t see
see意為“看見”,其過去式為saw,否定形式為didn’t see
例句:
I saw a film last night.(改為否定句)
I didn't see a film last night
原句是一般過去時的陳述句,句子中有實意動詞的過去式 saw,變否定句用助動詞did,其後加not即可,did not可縮寫為didn't,放於主語後,動詞原形前,saw還原為see,其餘部分順序不變
①、動詞是行為動詞時,一般過去時的否定式是在動詞原形前加助動詞did not/didn't.
句型為:主語+didn't+動詞原形
I saw him yesterday. 我昨天看見他了。
否定句:I didn't see him yesterday. 我昨天沒有看見他了。
②、動詞是Be動詞時,一般過去時的否定式為be動詞後面加否定詞not。
句型為:主語+was not/wasn't, were not/weren't……
He was in Shanghai yesterday. 他昨天在上海。
否定句:He wasn't in Shanghai yesterday. 他昨天不在上海。