affirmative sentence
I can walk.
question
Can you skip?
question
Can you walk?
negative sentence
I can't swim.
question
Can you wink?
negative sentence
I can't run.
negative sentence
I can't dance.
affirmative sentence
I can swim.
negative sentence
I can't run.
affirmative sentence
I can skip.
question
Can you skip?
affirmative sentence
I can wink.
affirmative sentence
I can jump.
question
Can you dance?
negative sentence
I can't sing.
affirmative sentence
I can sing.
negative sentence
I can't jump.