I can faint you can faint he can faint we can faint you can faint they can faint
V-ing form
I can be fainting you can be fainting he can be fainting we can be fainting you can be fainting they can be fainting
Perfect
I can have fainted you can have fainted he can have fainted we can have fainted you can have fainted they can have fainted
V-ing perfect
I can have been fainting you can have been fainting he can have been fainting we can have been fainting you can have been fainting they can have been fainting
Negation
Simple form
I can't faint you can't faint he can't faint we can't faint you can't faint they can't faint
V-ing form
I can't be fainting you can't be fainting he can't be fainting we can't be fainting you can't be fainting they can't be fainting
Perfect
I can't have fainted you can't have fainted he can't have fainted we can't have fainted you can't have fainted they can't have fainted
V-ing perfect
I can't have been fainting you can't have been fainting he can't have been fainting we can't have been fainting you can't have been fainting they can't have been fainting
Interrogative form
Simple form
can I faint? can you faint? can he faint? can we faint? can you faint? can they faint?
V-ing form
can I be fainting? can you be fainting? can he be fainting? can we be fainting? can you be fainting? can they be fainting?
Perfect
can I have fainted? can you have fainted? can he have fainted? can we have fainted? can you have fainted? can they have fainted?
V-ing perfect
can I have been fainting? can you have been fainting? can he have been fainting? can we have been fainting? can you have been fainting? can they have been fainting?
Interro-negative form
Simple form
can't I faint? can't you faint? can't he faint? can't we faint? can't you faint? can't they faint?
V-ing form
can't I be fainting? can't you be fainting? can't he be fainting? can't we be fainting? can't you be fainting? can't they be fainting?
Perfect
can't I have fainted? can't you have fainted? can't he have fainted? can't we have fainted? can't you have fainted? can't they have fainted?
V-ing perfect
can't I have been fainting? can't you have been fainting? can't he have been fainting? can't we have been fainting? can't you have been fainting? can't they have been fainting?