cannot + 动词原形
表示能力或可能性上的否定。
I cannot attend the meeting tomorrow.
我明天无法参加会议。
不可以;不许;不能;无法(无论是身体上的不能、逻辑上的不可能等)。;被禁止;不允许。
be unable to; not be able to (due to physical, mental, or logical impossibility)
不能;无法(无论是身体上的不能、逻辑上的不可能等)。
Can not; be unable to (whether due to physical inability, logical impossibility, etc.).
被禁止;不允许。
Be forbidden or not permitted to.
一般现在时
She cannot swim.
她不能游泳。
一般过去时
He could not attend the meeting.
他不能参加会议。
现在完成时
They have not been able to solve the problem.
他们无法解决这个问题。
不能用于进行时态
I cannot attend the meeting tomorrow because I have a doctor's appointment.
我明天无法参加会议,因为我有医生预约。
用法提示:表示因客观原因无法做某事
She cannot solve this math problem without help.
没有帮助,她无法解决这道数学题。
用法提示:表示能力不足不能做某事
They cannot park here; it's a no-parking zone.
他们不能在这里停车,这是禁停区。
用法提示:表示规则不允许做某事
表示能力或可能性上的否定。
I cannot attend the meeting tomorrow.
我明天无法参加会议。
较正式,表示没有选择,只能做某事。
We cannot but admire his courage.
我们不得不钦佩他的勇气。
表示不由自主地做某事。
She cannot help laughing when she sees the clown.
她看到小丑时忍不住笑了。
grammar · medium
易错句子I can not swim.
正确表达I cannot swim.
在标准英语中,'cannot' 通常写作一个词,表示'无法'。写成两个词 'can not' 可能被视为非标准,除非在强调否定时,如 'can not only'。应使用一个词 'cannot'。
grammar · medium
易错句子I cannot to swim.
正确表达I cannot swim.
在英语中,情态动词 'cannot' 后直接跟动词原形,不带 'to'。中文中的'不能去做'应译为 'cannot do',而不是 'cannot to do'。
cannot 更正式,用于书面语;can't 用于口语和非正式场合
忍不住;情不自禁
She cannot help laughing when she sees that photo.
她看到那张照片就忍不住笑。
迫不及待;等不及
The children cannot wait for the school trip.
孩子们迫不及待地盼着这次学校旅行。
负担不起;买不起
We cannot afford a new car right now.
我们现在买不起新车。
无法忍受;受不了
I cannot stand the noise from the construction site.
我受不了建筑工地的噪音。
无法否认
You cannot deny that she worked hard.
你无法否认她很努力。
离不开;没有…就不行
Modern life cannot do without the internet.
现代生活离不开互联网。
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