I can unveil you can unveil he can unveil we can unveil you can unveil they can unveil
V-ing form
I can be unveiling you can be unveiling he can be unveiling we can be unveiling you can be unveiling they can be unveiling
Perfect
I can have unveiled you can have unveiled he can have unveiled we can have unveiled you can have unveiled they can have unveiled
V-ing perfect
I can have been unveiling you can have been unveiling he can have been unveiling we can have been unveiling you can have been unveiling they can have been unveiling
Negation
Simple form
I can't unveil you can't unveil he can't unveil we can't unveil you can't unveil they can't unveil
V-ing form
I can't be unveiling you can't be unveiling he can't be unveiling we can't be unveiling you can't be unveiling they can't be unveiling
Perfect
I can't have unveiled you can't have unveiled he can't have unveiled we can't have unveiled you can't have unveiled they can't have unveiled
V-ing perfect
I can't have been unveiling you can't have been unveiling he can't have been unveiling we can't have been unveiling you can't have been unveiling they can't have been unveiling
Interrogative form
Simple form
can I unveil? can you unveil? can he unveil? can we unveil? can you unveil? can they unveil?
V-ing form
can I be unveiling? can you be unveiling? can he be unveiling? can we be unveiling? can you be unveiling? can they be unveiling?
Perfect
can I have unveiled? can you have unveiled? can he have unveiled? can we have unveiled? can you have unveiled? can they have unveiled?
V-ing perfect
can I have been unveiling? can you have been unveiling? can he have been unveiling? can we have been unveiling? can you have been unveiling? can they have been unveiling?
Interro-negative form
Simple form
can't I unveil? can't you unveil? can't he unveil? can't we unveil? can't you unveil? can't they unveil?
V-ing form
can't I be unveiling? can't you be unveiling? can't he be unveiling? can't we be unveiling? can't you be unveiling? can't they be unveiling?
Perfect
can't I have unveiled? can't you have unveiled? can't he have unveiled? can't we have unveiled? can't you have unveiled? can't they have unveiled?
V-ing perfect
can't I have been unveiling? can't you have been unveiling? can't he have been unveiling? can't we have been unveiling? can't you have been unveiling? can't they have been unveiling?