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 can't jounce you can't jounce he can't jounce we can't jounce you can't jounce they can't jounce
V-ing form
I can't be jouncing you can't be jouncing he can't be jouncing we can't be jouncing you can't be jouncing they can't be jouncing
Perfect
I can't have jounced you can't have jounced he can't have jounced we can't have jounced you can't have jounced they can't have jounced
V-ing perfect
I can't have been jouncing you can't have been jouncing he can't have been jouncing we can't have been jouncing you can't have been jouncing they can't 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't I jounce? can't you jounce? can't he jounce? can't we jounce? can't you jounce? can't they jounce?
V-ing form
can't I be jouncing? can't you be jouncing? can't he be jouncing? can't we be jouncing? can't you be jouncing? can't they be jouncing?
Perfect
can't I have jounced? can't you have jounced? can't he have jounced? can't we have jounced? can't you have jounced? can't they have jounced?
V-ing perfect
can't I have been jouncing? can't you have been jouncing? can't he have been jouncing? can't we have been jouncing? can't you have been jouncing? can't they have been jouncing?