I really can’t afford…… (200312-10)

　　“弄錯”

　　You must be thinking of someone else (199606-2)

　　You must have made a mistake (200006-10)

　　5、反問表否定

　　How could you do sth (200101-5) (200201-9)

　　really? (200201-8)

　　Should he do that……(200206-6)

　　6、其他形式

　　As far as I know …… is yet to be decided (199701-9)

　　That’s his opinion (200206-7)

　　That’s easier said than done (200301-9)

　　Too…to… (200306-3) (200312-7)(200406-2)

　　to tell the truth (200312-8)

　　I doubt it. (200501-4)