(5)表示责任和劝告: should, ought to,must, had better ●1)用 should和 ought to表示责任和劝告,后者的 语气重些 o You should/ought to do as you are told o Such things shouldn ' t/ought not to be allowed ●2)有时也用mus表示责任和劝告。 o You must see the movie. It's wonderful ●3)口语中也常用 had better表示劝告,意为“最 好做/不做某事”。 o You had better take care of yourself. You d better not make a mistake next time o hadnt you better see who is at the door?（5）表示责任和劝告: should, ought to, must, had better ⚫ 1) 用should和ought to 表示责任和劝告，后者的 语气重些 ⚫ You should/ought to do as you are told. ⚫ Such things shouldn't/ought not to be allowed. ⚫ 2) 有时也用must 表示责任和劝告。 ⚫ You must see the movie. It’s wonderful. ⚫ 3) 口语中也常用had better 表示劝告，意为“最 好做/不做某事” 。 ⚫ You had better take care of yourself. ⚫ You’d better not make a mistake next time. ⚫ Hadn’t you better see who is at the door?