He can act.
He can't climb a tree.
He can't cook.
He can't fix a bike.
fly
A penguin can't fly.
can't/can
She can't hear, but she can speak.
A baby can't read.
She can ride a bike.
dance
She can't dance.
can't/can
She can't see, but she can walk
The dog can play the piano and sing.
The robot can't skateboard.
The baby can dive.
The dog can't swim.
He can write.
The penguin can't paint.
