(2) may (否定 may not) 可以 ① 可能性
◇ I may be very busy tomorrow. 我可能明天很忙 ② 也许 (比can 更为委婉些)
May I come in? // May I have a look at your new toy? 回答: Sure / Certainly / OK. (一般不说,Yes, you may) No, you mustn’t 不,不可以
(3) must 必须 (语气强于should) (must not=mustn’t 绝不能,不可以,一定不要)
① 表职责,义务
Everyone must loyal to his motherland 每个人都必须忠于他的祖国。
Students must work hard at his study. 学生应该努力学习
② 主观上感觉必须要做某事情。
It’s too late. I must go now. // You must do your homework at once.
Must I clean the classroom now? No, you needn’t. 否定回答一般为needn’t.
我现在必须打扫教室吗? 不,你不需要。 ( Yes, you must)
③ 表禁止 (否定句)
You mustn’t talk to her like that. 你不可以象那样和她说话 Cars mustn’t park here.
(4) need 需要 (否定 need not=needn’t) Need I help that girl? 需要我帮那个女孩吗? You needn’t go there today.
(5) should 应该,义务 ( 否定 should not=shouldn’t) (6) would 表愿望
Would you tell me your name?
The boy wouldn’t let the doctor come. 这个男孩不想让医生来。 四、练习 改错
1. Does this sign means‘Danger’? 2. You shouldn’t smoking here.