can

/kæn/
ability or permission

Can you help me with this?

Asking for assistance politely.


general

To be able to do something.

I can swim.

Expressing the ability to swim.

She can speak three languages.

Describing her language skills.

Used to express ability, possibility, or permission in the present tense.

general

To request or grant permission.

Can I leave early today?

Asking for permission to leave.

You can go now.

Granting permission.

Common in questions to ask for permission.

general

A metal container for storing food or drinks.

Open the can of soda.

Referring to a sealed metal container.

Short for 'tin can,' often used in informal speech.

Engineering
technical

To preserve food by sealing it in a can.

They can the tomatoes to preserve them.

Describing the process of canning food.

Used in food preservation industries.

Collocations

can doable to perform a taskcan't helpunable to resist doing somethingcan't standunable to tolerate something

Antonyms

Related Phrases

can of wormsidiom
a complicated or messy situation
can't make heads or tails ofidiom
unable to understand something

Pro Tip

Modal verb order

In questions, the modal verb 'can' comes before the subject (e.g., 'Can you help me?'). In negative sentences, it is often contracted to 'can't' (e.g., 'I can't go').

Gold Rule

Followed by base verb

The verb 'can' is always followed by the base form of the main verb (e.g., 'can run,' 'can eat').

Word Origin

From Old English 'cunnan' (to know, be able to), related to Old Norse 'kunnr' (skill, knowledge) and German 'können' (to be able to).

Usage Notes

The modal verb 'can' is used for ability, permission, or possibility. It is followed by the base form of the verb (e.g., 'can run'). In informal contexts, 'can' is often contracted to 'can't' in negative sentences.

Word Breakdown

can
modal verb indicating ability or permission
root
English Dictionary