Coniugazione del verbo inglese MUST PREASCERTAIN

Verbo regolare: preascertain - preascertained - preascertained

Affermazione

Forma semplice

I must preascertain
you must preascertain
he must preascertain
we must preascertain
you must preascertain
they must preascertain

Forma con V-ing

I must be preascertaining
you must be preascertaining
he must be preascertaining
we must be preascertaining
you must be preascertaining
they must be preascertaining

Perfetto

I must have preascertained
you must have preascertained
he must have preascertained
we must have preascertained
you must have preascertained
they must have preascertained

Perfetto con V-ing

I must have been preascertaining
you must have been preascertaining
he must have been preascertaining
we must have been preascertaining
you must have been preascertaining
they must have been preascertaining

Negazione

Forma semplice

I mustn't preascertain
you mustn't preascertain
he mustn't preascertain
we mustn't preascertain
you mustn't preascertain
they mustn't preascertain

Forma con V-ing

I mustn't be preascertaining
you mustn't be preascertaining
he mustn't be preascertaining
we mustn't be preascertaining
you mustn't be preascertaining
they mustn't be preascertaining

Perfetto

I mustn't have preascertained
you mustn't have preascertained
he mustn't have preascertained
we mustn't have preascertained
you mustn't have preascertained
they mustn't have preascertained

Perfetto con V-ing

I mustn't have been preascertaining
you mustn't have been preascertaining
he mustn't have been preascertaining
we mustn't have been preascertaining
you mustn't have been preascertaining
they mustn't have been preascertaining

Forma interrogativa

Forma semplice

must I preascertain?
must you preascertain?
must he preascertain?
must we preascertain?
must you preascertain?
must they preascertain?

Forma con V-ing

must I be preascertaining?
must you be preascertaining?
must he be preascertaining?
must we be preascertaining?
must you be preascertaining?
must they be preascertaining?

Perfetto

must I have preascertained?
must you have preascertained?
must he have preascertained?
must we have preascertained?
must you have preascertained?
must they have preascertained?

Perfetto con V-ing

must I have been preascertaining?
must you have been preascertaining?
must he have been preascertaining?
must we have been preascertaining?
must you have been preascertaining?
must they have been preascertaining?

Forma interro-negativa

Forma semplice

mustn't I preascertain?
mustn't you preascertain?
mustn't he preascertain?
mustn't we preascertain?
mustn't you preascertain?
mustn't they preascertain?

Forma con V-ing

mustn't I be preascertaining?
mustn't you be preascertaining?
mustn't he be preascertaining?
mustn't we be preascertaining?
mustn't you be preascertaining?
mustn't they be preascertaining?

Perfetto

mustn't I have preascertained?
mustn't you have preascertained?
mustn't he have preascertained?
mustn't we have preascertained?
mustn't you have preascertained?
mustn't they have preascertained?

Perfetto con V-ing

mustn't I have been preascertaining?
mustn't you have been preascertaining?
mustn't he have been preascertaining?
mustn't we have been preascertaining?
mustn't you have been preascertaining?
mustn't they have been preascertaining?

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