含情态动词的被动语态2 情态动词有哪些 情态动词有哪些 ? ? 1. 1. ca ca n /may/must/ will / shall / should / n /may/must/ will / shall / should / ought to ought to 2. 2. need /dare need /dare 3. 3. had better/ would rather, used to / had better/ would rather, used to / have to / be able to have to / be able to3 情态动词的含义 情态动词的含义 序号 原形 过去式 主要含义 1 can could 2 may might 3 must must had to 4 need needed 5 dare dared 6 will would 7 shall should 1. 1. 能力 能力 2. 2. 请求 请求 / / 准许 准许 3. 3. 可能性 可能性 1. 1. 请求 请求 / / 准许 准许 2. 2. 可能性 可能性 *