Coniugazione del verbo inglese MUST PREASCERTAIN

Verbo regolare: preascertain - preascertained - preascertained

Affermazione

Forma semplice

I must preascertain
you must preascertain
she must preascertain
we must preascertain
you must preascertain
they must preascertain

Forma con V-ing

I must be preascertaining
you must be preascertaining
she must be preascertaining
we must be preascertaining
you must be preascertaining
they must be preascertaining

Perfetto

I must have preascertained
you must have preascertained
she 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
she 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
she 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
she 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
she 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
she 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 she preascertain?
must we preascertain?
must you preascertain?
must they preascertain?

Forma con V-ing

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

Perfetto

must I have preascertained?
must you have preascertained?
must she 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 she 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 she 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 she 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 she 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 she 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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