Coniugazione del verbo inglese MUST BACK

Verbo regolare: back - backed - backed

Affermazione

Forma semplice

I must back
you must back
he must back
we must back
you must back
they must back

Forma con V-ing

I must be backing
you must be backing
he must be backing
we must be backing
you must be backing
they must be backing

Perfetto

I must have backed
you must have backed
he must have backed
we must have backed
you must have backed
they must have backed

Perfetto con V-ing

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

Negazione

Forma semplice

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

Forma con V-ing

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

Perfetto

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

Perfetto con V-ing

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

Forma interrogativa

Forma semplice

must I back?
must you back?
must he back?
must we back?
must you back?
must they back?

Forma con V-ing

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

Perfetto

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

Perfetto con V-ing

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

Forma interro-negativa

Forma semplice

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

Forma con V-ing

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

Perfetto

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

Perfetto con V-ing

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

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