I can pounce you can pounce he can pounce we can pounce you can pounce they can pounce
V-ing form
I can be pouncing you can be pouncing he can be pouncing we can be pouncing you can be pouncing they can be pouncing
Perfect
I can have pounced you can have pounced he can have pounced we can have pounced you can have pounced they can have pounced
V-ing perfect
I can have been pouncing you can have been pouncing he can have been pouncing we can have been pouncing you can have been pouncing they can have been pouncing
Negation
Simple form
I can't pounce you can't pounce he can't pounce we can't pounce you can't pounce they can't pounce
V-ing form
I can't be pouncing you can't be pouncing he can't be pouncing we can't be pouncing you can't be pouncing they can't be pouncing
Perfect
I can't have pounced you can't have pounced he can't have pounced we can't have pounced you can't have pounced they can't have pounced
V-ing perfect
I can't have been pouncing you can't have been pouncing he can't have been pouncing we can't have been pouncing you can't have been pouncing they can't have been pouncing
Interrogative form
Simple form
can I pounce? can you pounce? can he pounce? can we pounce? can you pounce? can they pounce?
V-ing form
can I be pouncing? can you be pouncing? can he be pouncing? can we be pouncing? can you be pouncing? can they be pouncing?
Perfect
can I have pounced? can you have pounced? can he have pounced? can we have pounced? can you have pounced? can they have pounced?
V-ing perfect
can I have been pouncing? can you have been pouncing? can he have been pouncing? can we have been pouncing? can you have been pouncing? can they have been pouncing?
Interro-negative form
Simple form
can't I pounce? can't you pounce? can't he pounce? can't we pounce? can't you pounce? can't they pounce?
V-ing form
can't I be pouncing? can't you be pouncing? can't he be pouncing? can't we be pouncing? can't you be pouncing? can't they be pouncing?
Perfect
can't I have pounced? can't you have pounced? can't he have pounced? can't we have pounced? can't you have pounced? can't they have pounced?
V-ing perfect
can't I have been pouncing? can't you have been pouncing? can't he have been pouncing? can't we have been pouncing? can't you have been pouncing? can't they have been pouncing?