English verb conjugation
CAN SEINE

Regular verb: seine - seined - seined

Affirmation

Simple form	V-ing form
I can seine you can seine he can seine we can seine you can seine they can seine	I can be seining you can be seining he can be seining we can be seining you can be seining they can be seining
Perfect	V-ing perfect
I can have seined you can have seined he can have seined we can have seined you can have seined they can have seined	I can have been seining you can have been seining he can have been seining we can have been seining you can have been seining they can have been seining

Negation

Simple form	V-ing form
I can't seine you can't seine he can't seine we can't seine you can't seine they can't seine	I can't be seining you can't be seining he can't be seining we can't be seining you can't be seining they can't be seining
Perfect	V-ing perfect
I can't have seined you can't have seined he can't have seined we can't have seined you can't have seined they can't have seined	I can't have been seining you can't have been seining he 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	V-ing form
can I seine? can you seine? can he seine? can we seine? can you seine? can they seine?	can I be seining? can you be seining? can he be seining? can we be seining? can you be seining? can they be seining?
Perfect	V-ing perfect
can I have seined? can you have seined? can he have seined? can we have seined? can you have seined? can they have seined?	can I have been seining? can you have been seining? can he have been seining? can we have been seining? can you have been seining? can they have been seining?

Interro-negative form

Simple form	V-ing form
can't I seine? can't you seine? can't he seine? can't we seine? can't you seine? can't they seine?	can't I be seining? can't you be seining? can't he be seining? can't we be seining? can't you be seining? can't they be seining?
Perfect	V-ing perfect
can't I have seined? can't you have seined? can't he have seined? can't we have seined? can't you have seined? can't they have seined?	can't I have been seining? can't you have been seining? can't he have been seining? can't we have been seining? can't you have been seining? can't they have been seining?