watch的否定形式是什麼?
watch的否定形式是not watch。其中not根據它所在句子裏的時態和語態來確定它的否定形式。例如,I don't watch TV at night.我晚上不看電視。He isn't watching TV now.他現在沒有看電視。She didn't watch TV yesterday.她昨天沒有看電視。
teach的第三人稱單數,teaches
does否定形式,doesn't
watch第三人稱單數, watches
live第三人稱單數,lives
it is縮寫形式,it's
I’ll完全形式, I will
do過去式, did
I can't buy a watch .
句子裏面有be動詞或者情態動詞的,否定句就是在be動詞或者情態動詞後面加not