We can be there on time tomorrow
我们明天能按时去那儿
May I have your name
我能知道你的名字吗
Shall we begin now
我们现在就开始吗
You must obey the school rules
你必须遵守校规
情态动词数量不多,但用途广泛,主要有下列: can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would)
情态动词的位置: 情态动词在句中放在谓语动词之前, 谓语动词前若有助动词,则在助动词之前,疑问句中, 情态动词则在主语之前
I can see you
Come here
我能看见你,过来吧
He must have been away
What can I do for you
How dare you treat us like that
你怎能那样对待我们
情态动词的特点: 情态动词无人称和数的变化, 情态动词后面跟的动词需用原形,否定式构成是在情态动词后面加 "not"
个别情态动词有现在式和过去式两种形式, 过去式用来表达更加客气, 委婉的语气, 时态性不强, 可用于过去,现在或将来
He could be here soon
We can't carry the heavy box
我们搬不动那箱子
I'm sorry I can't help you
对不起,我帮不上你
情态动词的用法: can (could) 表示说话人能,可以,同意,准许,以及 客观条件许可,could 为 can 的过去式
Can you pass me the bo