I can cushion you can cushion he can cushion we can cushion you can cushion they can cushion
V-ing form
I can be cushioning you can be cushioning he can be cushioning we can be cushioning you can be cushioning they can be cushioning
Perfect
I can have cushioned you can have cushioned he can have cushioned we can have cushioned you can have cushioned they can have cushioned
V-ing perfect
I can have been cushioning you can have been cushioning he can have been cushioning we can have been cushioning you can have been cushioning they can have been cushioning
Negation
Simple form
I cannot cushion you cannot cushion he cannot cushion we cannot cushion you cannot cushion they cannot cushion
V-ing form
I cannot be cushioning you cannot be cushioning he cannot be cushioning we cannot be cushioning you cannot be cushioning they cannot be cushioning
Perfect
I cannot have cushioned you cannot have cushioned he cannot have cushioned we cannot have cushioned you cannot have cushioned they cannot have cushioned
V-ing perfect
I cannot have been cushioning you cannot have been cushioning he cannot have been cushioning we cannot have been cushioning you cannot have been cushioning they cannot have been cushioning
Interrogative form
Simple form
can I cushion? can you cushion? can he cushion? can we cushion? can you cushion? can they cushion?
V-ing form
can I be cushioning? can you be cushioning? can he be cushioning? can we be cushioning? can you be cushioning? can they be cushioning?
Perfect
can I have cushioned? can you have cushioned? can he have cushioned? can we have cushioned? can you have cushioned? can they have cushioned?
V-ing perfect
can I have been cushioning? can you have been cushioning? can he have been cushioning? can we have been cushioning? can you have been cushioning? can they have been cushioning?
Interro-negative form
Simple form
can I not cushion? can you not cushion? can he not cushion? can we not cushion? can you not cushion? can they not cushion?
V-ing form
can I not be cushioning? can you not be cushioning? can he not be cushioning? can we not be cushioning? can you not be cushioning? can they not be cushioning?
Perfect
can I not have cushioned? can you not have cushioned? can he not have cushioned? can we not have cushioned? can you not have cushioned? can they not have cushioned?
V-ing perfect
can I not have been cushioning? can you not have been cushioning? can he not have been cushioning? can we not have been cushioning? can you not have been cushioning? can they not have been cushioning?