I can ...
skateboard
I can sing ...
loudly
I can't ...
play baskteball
play football / can't / I
I can't play football
can't / I / fast / run
I can't run fast
make models? / you / can
Can you make models?
I can jump ...
high
I can't ...
fly
I can run ...
fast
you / can / well? / rollerblade
Can you rollerblade well?
I can play basketball ...
well
I / jump / can't / high
I can't jump high
I can ...
sleep all day
I can play the guitar ...
quietly
I can walk ...
slowly