+
I can swim.
-
I can't ride a bike.
-
I can't jump.
?
Can you walk?
+
I can see a flower.
?
Can you sing?
?
Can you kick a ball?
+
I can throw a ball.
?
Can you ride a horse?
-
I can't catch a ball.
-
I can't climb a tree
+
I can run.