3)表示可能性:may/ might,can/ could,must can t 1)may,migt用来推测现在“可能”;may比 might表示的可 能性大些。 o Why isnt John in class? He may/might be sick ● maybe是副词,不是情态动词。 Maybe he ●2)在日常口语中常用 can/could表示“可能” o You can/could walk for miles in the country without meeting anyone e Can the news be true? No it cant be true ●3)mus表示可能性最大,“必定”;否定形式用can?t表示 肯定不”、“必定不会” o You must be hungry after a long walk o The phone is ringing, but there is no answer. She cant be at home(3) 表示可能性：may/might, can/could, must; can’t ⚫ 1）may, might 用来推测现在“可能” ；may比might表示的可 能性大些。 ⚫ Why isn’t John in class? He may/might be sick. ⚫ maybe是副词，不是情态动词。Maybe he is sick. ⚫ 2) 在日常口语中常用can/could 表示“可能” 。 ⚫ You can/could walk for miles in the country without meeting anyone. ⚫ Can the news be true? No, it can’t be true. ⚫ 3) must表示可能性最大， “必定”；否定形式用can’t表示 “肯定不” 、 “必定不会” 。 ⚫ You must be hungry after a long walk. ⚫ The phone is ringing, but there is no answer. She can’t be at home