Modal Verb Can

Modal Verb Can – Exercises

These exercises focus on Can

Uses of Can

1. Ability

Use "can" to show that someone is able to do something.
Example:

• She can swim very well.

• I can speak two languages.

2. Permission

Use "can" to ask for or give permission.
Example:

• Can I use your phone? (asking)

• Yes, you can leave early. (giving permission)

3. Possibility

Use "can" to express that something is possible in general.
Example:

• It can get very cold in the winter.

• Anyone can learn English with practice.

4. Informal Requests

Use "can" to make requests in casual conversations.
Example:

• Can you help me with my homework?

• Can I borrow your book?

Rules for Using Can

• "Can" is always followed by the base form of the verb (without "to").
  ✅ Correct: I can dance.
  ❌ Incorrect: I can to dance.

• The negative form is "cannot" or "can't".
  ✅ Correct: I can't drive a car.
  ❌ Incorrect: I don't can drive a car.

• "Can" does not change with the subject.
  ✅ Correct: He can run fast. / They can run fast.
  ❌ Incorrect: He cans run fast.

Common Errors with Can

Everyday Use of Can

Here are some common phrases with "can" you can use in daily life:

FAQ About Can

Can "can" be used in the past?

No, for the past, use "could". Example: "I could swim when I was five."

What is the negative form of "can"?

The negative form is "cannot" or "can't".

Is "can" formal or informal?

"Can" is more informal. Use "may" for formal permission (e.g., "May I leave early?").

What’s the difference between "can" and "may"?

"Can" talks about ability or informal permission, while "may" is more polite and formal for permission.

How do you form a question with "can"?

Place "can" at the beginning of the sentence. Example: "Can you help me?"