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Ability, Posibility - Coggle Diagram
Ability
Could/ couldn't
They could dance like ballerinas when they were 4
We use it to talk about skill or general ability
Past
I couldn't do all the questions in the exam
Can/ can't
We use it to talk about skill or general ability
I can't speak english very well
I can dance like a ballerina
Present and future
Be able to
He hopes to be able to study history in oxford university
He wasn't able to do all the questions in the exam
We use it to talk about skill or general ability but it's more formal
Posibility
Might
We use it to make deductions about present and past situations
She might had a crisis
I might have a black sweater
May
He may be looking to you
We may saw the computer at our home
We use it to make deductions about present and past situations
Could/ couldn't
We use it to talk about posibility and ability in the past
I could have won the match
They couldn't have a pet because the pet shop was closed
Be able to
I will be able to ride my bike when I turn 9 years old
we use it to talk about ability and posibility in the future