Conjugaison du verbe anglais
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Verbe régulier : ulcerate - ulcerated - ulcerated

Affirmation

Forme simple	Forme en V-ing
I must ulcerate you must ulcerate he must ulcerate we must ulcerate you must ulcerate they must ulcerate	I must be ulcerating you must be ulcerating he must be ulcerating we must be ulcerating you must be ulcerating they must be ulcerating
Perfect	Perfect en V-ing
I must have ulcerated you must have ulcerated he must have ulcerated we must have ulcerated you must have ulcerated they must have ulcerated	I must have been ulcerating you must have been ulcerating he must have been ulcerating we must have been ulcerating you must have been ulcerating they must have been ulcerating

Négation

Forme simple	Forme en V-ing
I must not ulcerate you must not ulcerate he must not ulcerate we must not ulcerate you must not ulcerate they must not ulcerate	I must not be ulcerating you must not be ulcerating he must not be ulcerating we must not be ulcerating you must not be ulcerating they must not be ulcerating
Perfect	Perfect en V-ing
I must not have ulcerated you must not have ulcerated he must not have ulcerated we must not have ulcerated you must not have ulcerated they must not have ulcerated	I must not have been ulcerating you must not have been ulcerating he must not have been ulcerating we must not have been ulcerating you must not have been ulcerating they must not have been ulcerating

Forme interrogative

Forme simple	Forme en V-ing
must I ulcerate? must you ulcerate? must he ulcerate? must we ulcerate? must you ulcerate? must they ulcerate?	must I be ulcerating? must you be ulcerating? must he be ulcerating? must we be ulcerating? must you be ulcerating? must they be ulcerating?
Perfect	Perfect en V-ing
must I have ulcerated? must you have ulcerated? must he have ulcerated? must we have ulcerated? must you have ulcerated? must they have ulcerated?	must I have been ulcerating? must you have been ulcerating? must he have been ulcerating? must we have been ulcerating? must you have been ulcerating? must they have been ulcerating?

Forme interro-négative

Forme simple	Forme en V-ing
must I not ulcerate? must you not ulcerate? must he not ulcerate? must we not ulcerate? must you not ulcerate? must they not ulcerate?	must I not be ulcerating? must you not be ulcerating? must he not be ulcerating? must we not be ulcerating? must you not be ulcerating? must they not be ulcerating?
Perfect	Perfect en V-ing
must I not have ulcerated? must you not have ulcerated? must he not have ulcerated? must we not have ulcerated? must you not have ulcerated? must they not have ulcerated?	must I not have been ulcerating? must you not have been ulcerating? must he not have been ulcerating? must we not have been ulcerating? must you not have been ulcerating? must they not have been ulcerating?