can / could / be able to

• Engels
• Middelbare school
• vwo
• Leerjaar 2

Welcome 3gt

Unit 3

Goals of the lesson

By the end of this lesson you will be able to: 

Use can, could, be able to and to be allowed to properly and in the right context.

Can/can't 

-->  ability (kunnen)

--> make requests (iets vragen)

--> ask or give permission (mogen)

John can speak Spanish.

Can you open the door?

You can go to the party.

Could/couldn't

--> past simple of can 

--> make requests / (formal/polite)

-->to express possibility 

He couldn't swim when he was 2 years old.

Could you send me a message?

where are they? they could have got lost.

be able to

--> to talk about ability (in staat zijn om) and it is used when we are not able to use can or could.

I can swim but at the moment I am not able to because I have broken my leg.

I will not be able to join in with you tomorrow.

To be allowed to 

--> permission 

Am I allowed to go to that party?

You won't be allowed to skip class tomorrow.

Can/Can't

Geeft aan dat iets (niet) KAN

We can jump really high

She can't be serious!

(can't of cannot kan allebei)

Je gebruikt can ook om te vragen of iets kan/mag aan bekenden

Could/Couldn't

Als je iets voorstelt:

We could try that

Couldn't we ask Tim to do that?

Als iets een mogelijkheid is:

I could take a lot of pictures

I couldn't tell you

Could is ook een beleefdheidsvorm!

Be able to & be allowed to

* Be able to = in staat zijn om iets te doen

      He is able to run 10 km.

* Be allowed to = mogen en geeft aan of iets is toegestaan

       Are we allowed to smoke in school?

TO BE= AM-IS-ARE-WAS-WERE + able to/allowed to+ hele ww

Mom, _______ you help me with my homework?

1. can
2. able to
3. couldn't
4. could

Did you know that Lisa __________sing? Her voice is really beautiful.

1. can
2. could
3. can't

This___________be right! The price tag is saying this dress costs $250.

1. can
2. could
3. can't
4. couldn't

My father ________believe his eyes when he saw me come in with a stray cat.

1. can
2. could
3. can't
4. couldn't

Can

isn't able to

couldn't

are allowed to

could

be able to

be allowed to

could

Let's practice 

Do exercises7, 8, 9 &10 (3,5)

Done? Study the words and expressions