否定形式:am/is/are+not;此時態的謂語動詞若為行為動詞,則在其前加don't,如主語為第三人稱單數 則用doesn't,同時還原行為動詞.造句,

否定形式:am/is/are+not;此時態的謂語動詞若為行為動詞,則在其前加don't,如主語為第三人稱單數 則用doesn't,同時還原行為動詞.造句,

He likes football.
He doesn't like football.