I can jounce you can jounce he can jounce we can jounce you can jounce they can jounce
V-ing form
I can be jouncing you can be jouncing he can be jouncing we can be jouncing you can be jouncing they can be jouncing
Perfect
I can have jounced you can have jounced he can have jounced we can have jounced you can have jounced they can have jounced
V-ing perfect
I can have been jouncing you can have been jouncing he can have been jouncing we can have been jouncing you can have been jouncing they can have been jouncing
Negation
Simple form
I cannot jounce you cannot jounce he cannot jounce we cannot jounce you cannot jounce they cannot jounce
V-ing form
I cannot be jouncing you cannot be jouncing he cannot be jouncing we cannot be jouncing you cannot be jouncing they cannot be jouncing
Perfect
I cannot have jounced you cannot have jounced he cannot have jounced we cannot have jounced you cannot have jounced they cannot have jounced
V-ing perfect
I cannot have been jouncing you cannot have been jouncing he cannot have been jouncing we cannot have been jouncing you cannot have been jouncing they cannot have been jouncing
Interrogative form
Simple form
can I jounce? can you jounce? can he jounce? can we jounce? can you jounce? can they jounce?
V-ing form
can I be jouncing? can you be jouncing? can he be jouncing? can we be jouncing? can you be jouncing? can they be jouncing?
Perfect
can I have jounced? can you have jounced? can he have jounced? can we have jounced? can you have jounced? can they have jounced?
V-ing perfect
can I have been jouncing? can you have been jouncing? can he have been jouncing? can we have been jouncing? can you have been jouncing? can they have been jouncing?
Interro-negative form
Simple form
can I not jounce? can you not jounce? can he not jounce? can we not jounce? can you not jounce? can they not jounce?
V-ing form
can I not be jouncing? can you not be jouncing? can he not be jouncing? can we not be jouncing? can you not be jouncing? can they not be jouncing?
Perfect
can I not have jounced? can you not have jounced? can he not have jounced? can we not have jounced? can you not have jounced? can they not have jounced?
V-ing perfect
can I not have been jouncing? can you not have been jouncing? can he not have been jouncing? can we not have been jouncing? can you not have been jouncing? can they not have been jouncing?