I would never be able to learn Russian! a) I can never learn Russian! b) I could never learn Russian!

"I am able to swim." a) I can swim. b) I could swim.

"When you turn 17, you are able to learn to drive." a) You can learn to drive. b) You could learn to drive.

"I don't think I would ever be able to look after a pet elephant - they eat too much! a) I can never look after a pet elephant. b) I could never look after a pet elephant.

"I'm not able to play chess - it's too confusing!" a) I can't play chess! b) I couldn't play chess!

"I am able to speak 3 languages!" 1) I can speak 3 languages! 2) I could speak 3 languages!

"When I was little, I was not able to run faster than my parents." a) I can't run faster than my parents. b) I couldn't run faster than my parents.

"When I was 5, I was able to say the alphabet backwards." a) I can say the alphabet backwards. b) I could say the alphabet backwards.

What is the infinitive of 'can'? a) To can b) To be able to c) To could

When do we use 'could'? a) To talk about ability in the past b) To talk about ability in the present c) To talk about ability in the past and conditionally