I can seine you can seine she can seine we can seine you can seine they can seine
V-ing form
I can be seining you can be seining she can be seining we can be seining you can be seining they can be seining
Perfect
I can have seined you can have seined she can have seined we can have seined you can have seined they can have seined
V-ing perfect
I can have been seining you can have been seining she can have been seining we can have been seining you can have been seining they can have been seining
Negation
Simple form
I can't seine you can't seine she can't seine we can't seine you can't seine they can't seine
V-ing form
I can't be seining you can't be seining she can't be seining we can't be seining you can't be seining they can't be seining
Perfect
I can't have seined you can't have seined she can't have seined we can't have seined you can't have seined they can't have seined
V-ing perfect
I can't have been seining you can't have been seining she can't have been seining we can't have been seining you can't have been seining they can't have been seining
Interrogative form
Simple form
can I seine? can you seine? can she seine? can we seine? can you seine? can they seine?
V-ing form
can I be seining? can you be seining? can she be seining? can we be seining? can you be seining? can they be seining?
Perfect
can I have seined? can you have seined? can she have seined? can we have seined? can you have seined? can they have seined?
V-ing perfect
can I have been seining? can you have been seining? can she have been seining? can we have been seining? can you have been seining? can they have been seining?
Interro-negative form
Simple form
can't I seine? can't you seine? can't she seine? can't we seine? can't you seine? can't they seine?
V-ing form
can't I be seining? can't you be seining? can't she be seining? can't we be seining? can't you be seining? can't they be seining?
Perfect
can't I have seined? can't you have seined? can't she have seined? can't we have seined? can't you have seined? can't they have seined?
V-ing perfect
can't I have been seining? can't you have been seining? can't she have been seining? can't we have been seining? can't you have been seining? can't they have been seining?