I can profit you can profit he can profit we can profit you can profit they can profit
V-ing form
I can be profiting you can be profiting he can be profiting we can be profiting you can be profiting they can be profiting
Perfect
I can have profited you can have profited he can have profited we can have profited you can have profited they can have profited
V-ing perfect
I can have been profiting you can have been profiting he can have been profiting we can have been profiting you can have been profiting they can have been profiting
Negation
Simple form
I can't profit you can't profit he can't profit we can't profit you can't profit they can't profit
V-ing form
I can't be profiting you can't be profiting he can't be profiting we can't be profiting you can't be profiting they can't be profiting
Perfect
I can't have profited you can't have profited he can't have profited we can't have profited you can't have profited they can't have profited
V-ing perfect
I can't have been profiting you can't have been profiting he can't have been profiting we can't have been profiting you can't have been profiting they can't have been profiting
Interrogative form
Simple form
can I profit? can you profit? can he profit? can we profit? can you profit? can they profit?
V-ing form
can I be profiting? can you be profiting? can he be profiting? can we be profiting? can you be profiting? can they be profiting?
Perfect
can I have profited? can you have profited? can he have profited? can we have profited? can you have profited? can they have profited?
V-ing perfect
can I have been profiting? can you have been profiting? can he have been profiting? can we have been profiting? can you have been profiting? can they have been profiting?
Interro-negative form
Simple form
can't I profit? can't you profit? can't he profit? can't we profit? can't you profit? can't they profit?
V-ing form
can't I be profiting? can't you be profiting? can't he be profiting? can't we be profiting? can't you be profiting? can't they be profiting?
Perfect
can't I have profited? can't you have profited? can't he have profited? can't we have profited? can't you have profited? can't they have profited?
V-ing perfect
can't I have been profiting? can't you have been profiting? can't he have been profiting? can't we have been profiting? can't you have been profiting? can't they have been profiting?