Coniugazione del verbo inglese
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Verbo regolare: ulcerate - ulcerated - ulcerated

Affermazione

Forma semplice	Forma con V-ing
I must ulcerate you must ulcerate she must ulcerate we must ulcerate you must ulcerate they must ulcerate	I must be ulcerating you must be ulcerating she must be ulcerating we must be ulcerating you must be ulcerating they must be ulcerating
Perfetto	Perfetto con V-ing
I must have ulcerated you must have ulcerated she 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 she must have been ulcerating we must have been ulcerating you must have been ulcerating they must have been ulcerating

Negazione

Forma semplice	Forma con V-ing
I mustn't ulcerate you mustn't ulcerate she mustn't ulcerate we mustn't ulcerate you mustn't ulcerate they mustn't ulcerate	I mustn't be ulcerating you mustn't be ulcerating she mustn't be ulcerating we mustn't be ulcerating you mustn't be ulcerating they mustn't be ulcerating
Perfetto	Perfetto con V-ing
I mustn't have ulcerated you mustn't have ulcerated she mustn't have ulcerated we mustn't have ulcerated you mustn't have ulcerated they mustn't have ulcerated	I mustn't have been ulcerating you mustn't have been ulcerating she mustn't have been ulcerating we mustn't have been ulcerating you mustn't have been ulcerating they mustn't have been ulcerating

Forma interrogativa

Forma semplice	Forma con V-ing
must I ulcerate? must you ulcerate? must she ulcerate? must we ulcerate? must you ulcerate? must they ulcerate?	must I be ulcerating? must you be ulcerating? must she be ulcerating? must we be ulcerating? must you be ulcerating? must they be ulcerating?
Perfetto	Perfetto con V-ing
must I have ulcerated? must you have ulcerated? must she 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 she have been ulcerating? must we have been ulcerating? must you have been ulcerating? must they have been ulcerating?

Forma interro-negativa

Forma semplice	Forma con V-ing
mustn't I ulcerate? mustn't you ulcerate? mustn't she ulcerate? mustn't we ulcerate? mustn't you ulcerate? mustn't they ulcerate?	mustn't I be ulcerating? mustn't you be ulcerating? mustn't she be ulcerating? mustn't we be ulcerating? mustn't you be ulcerating? mustn't they be ulcerating?
Perfetto	Perfetto con V-ing
mustn't I have ulcerated? mustn't you have ulcerated? mustn't she have ulcerated? mustn't we have ulcerated? mustn't you have ulcerated? mustn't they have ulcerated?	mustn't I have been ulcerating? mustn't you have been ulcerating? mustn't she have been ulcerating? mustn't we have been ulcerating? mustn't you have been ulcerating? mustn't they have been ulcerating?