Coniugazione del verbo inglese
MUST EXIST

Verbo regolare: exist - existed - existed

Affermazione

Forma semplice	Forma con V-ing
I must exist you must exist he must exist we must exist you must exist they must exist	I must be existing you must be existing he must be existing we must be existing you must be existing they must be existing
Perfetto	Perfetto con V-ing
I must have existed you must have existed he must have existed we must have existed you must have existed they must have existed	I must have been existing you must have been existing he must have been existing we must have been existing you must have been existing they must have been existing

Negazione

Forma semplice	Forma con V-ing
I mustn't exist you mustn't exist he mustn't exist we mustn't exist you mustn't exist they mustn't exist	I mustn't be existing you mustn't be existing he mustn't be existing we mustn't be existing you mustn't be existing they mustn't be existing
Perfetto	Perfetto con V-ing
I mustn't have existed you mustn't have existed he mustn't have existed we mustn't have existed you mustn't have existed they mustn't have existed	I mustn't have been existing you mustn't have been existing he mustn't have been existing we mustn't have been existing you mustn't have been existing they mustn't have been existing

Forma interrogativa

Forma semplice	Forma con V-ing
must I exist? must you exist? must he exist? must we exist? must you exist? must they exist?	must I be existing? must you be existing? must he be existing? must we be existing? must you be existing? must they be existing?
Perfetto	Perfetto con V-ing
must I have existed? must you have existed? must he have existed? must we have existed? must you have existed? must they have existed?	must I have been existing? must you have been existing? must he have been existing? must we have been existing? must you have been existing? must they have been existing?

Forma interro-negativa

Forma semplice	Forma con V-ing
mustn't I exist? mustn't you exist? mustn't he exist? mustn't we exist? mustn't you exist? mustn't they exist?	mustn't I be existing? mustn't you be existing? mustn't he be existing? mustn't we be existing? mustn't you be existing? mustn't they be existing?
Perfetto	Perfetto con V-ing
mustn't I have existed? mustn't you have existed? mustn't he have existed? mustn't we have existed? mustn't you have existed? mustn't they have existed?	mustn't I have been existing? mustn't you have been existing? mustn't he have been existing? mustn't we have been existing? mustn't you have been existing? mustn't they have been existing?