Conjugaison du verbe anglais
MUST SEINE

Verbe régulier : seine - seined - seined

Affirmation

Forme simple	Forme en V-ing
I must seine you must seine she must seine we must seine you must seine they must seine	I must be seining you must be seining she must be seining we must be seining you must be seining they must be seining
Perfect	Perfect en V-ing
I must have seined you must have seined she must have seined we must have seined you must have seined they must have seined	I must have been seining you must have been seining she must have been seining we must have been seining you must have been seining they must have been seining

Négation

Forme simple	Forme en V-ing
I must not seine you must not seine she must not seine we must not seine you must not seine they must not seine	I must not be seining you must not be seining she must not be seining we must not be seining you must not be seining they must not be seining
Perfect	Perfect en V-ing
I must not have seined you must not have seined she must not have seined we must not have seined you must not have seined they must not have seined	I must not have been seining you must not have been seining she must not have been seining we must not have been seining you must not have been seining they must not have been seining

Forme interrogative

Forme simple	Forme en V-ing
must I seine? must you seine? must she seine? must we seine? must you seine? must they seine?	must I be seining? must you be seining? must she be seining? must we be seining? must you be seining? must they be seining?
Perfect	Perfect en V-ing
must I have seined? must you have seined? must she have seined? must we have seined? must you have seined? must they have seined?	must I have been seining? must you have been seining? must she have been seining? must we have been seining? must you have been seining? must they have been seining?

Forme interro-négative

Forme simple	Forme en V-ing
must I not seine? must you not seine? must she not seine? must we not seine? must you not seine? must they not seine?	must I not be seining? must you not be seining? must she not be seining? must we not be seining? must you not be seining? must they not be seining?
Perfect	Perfect en V-ing
must I not have seined? must you not have seined? must she not have seined? must we not have seined? must you not have seined? must they not have seined?	must I not have been seining? must you not have been seining? must she not have been seining? must we not have been seining? must you not have been seining? must they not have been seining?