I can prosper you can prosper he can prosper we can prosper you can prosper they can prosper
V-ing form
I can be prospering you can be prospering he can be prospering we can be prospering you can be prospering they can be prospering
Perfect
I can have prospered you can have prospered he can have prospered we can have prospered you can have prospered they can have prospered
V-ing perfect
I can have been prospering you can have been prospering he can have been prospering we can have been prospering you can have been prospering they can have been prospering
Negation
Simple form
I can't prosper you can't prosper he can't prosper we can't prosper you can't prosper they can't prosper
V-ing form
I can't be prospering you can't be prospering he can't be prospering we can't be prospering you can't be prospering they can't be prospering
Perfect
I can't have prospered you can't have prospered he can't have prospered we can't have prospered you can't have prospered they can't have prospered
V-ing perfect
I can't have been prospering you can't have been prospering he can't have been prospering we can't have been prospering you can't have been prospering they can't have been prospering
Interrogative form
Simple form
can I prosper? can you prosper? can he prosper? can we prosper? can you prosper? can they prosper?
V-ing form
can I be prospering? can you be prospering? can he be prospering? can we be prospering? can you be prospering? can they be prospering?
Perfect
can I have prospered? can you have prospered? can he have prospered? can we have prospered? can you have prospered? can they have prospered?
V-ing perfect
can I have been prospering? can you have been prospering? can he have been prospering? can we have been prospering? can you have been prospering? can they have been prospering?
Interro-negative form
Simple form
can't I prosper? can't you prosper? can't he prosper? can't we prosper? can't you prosper? can't they prosper?
V-ing form
can't I be prospering? can't you be prospering? can't he be prospering? can't we be prospering? can't you be prospering? can't they be prospering?
Perfect
can't I have prospered? can't you have prospered? can't he have prospered? can't we have prospered? can't you have prospered? can't they have prospered?
V-ing perfect
can't I have been prospering? can't you have been prospering? can't he have been prospering? can't we have been prospering? can't you have been prospering? can't they have been prospering?