Can/ Can't beginners

rather than an action. They are used in a sentence WITH an action verb.

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​Modal Verbs express an idea

Can expresses

• ability =I can swim

• possibility= You can get a taxi.

• permission= You can shut the window.

• request= Can I have a drink

Rule # 1

​Modal verbs don't add "s" at the end with 3rd person

Rule # 2

​To ask question, switch the modal and the subject. Can you dance?

Rule # 3

​After a modal verb, you always use a bare infinitive (no to)
I can drive

​Ability - I can speak English very well.

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Possibility - I can study a little more.​

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Request - Can you help me?​

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​​​Use CAN to express

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​Past Ability - I could speak English when I was 11 years old.

Remote Possibility - ​I could study more if I had time.

Polite Request -​ Could you help me?

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Use COULD to express

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