English verb conjugation MUST PERDURE

Regular verb: perdure - perdured - perdured

Affirmation

Simple form

I must perdure
you must perdure
she must perdure
we must perdure
you must perdure
they must perdure

V-ing form

I must be perduring
you must be perduring
she must be perduring
we must be perduring
you must be perduring
they must be perduring

Perfect

I must have perdured
you must have perdured
she must have perdured
we must have perdured
you must have perdured
they must have perdured

V-ing perfect

I must have been perduring
you must have been perduring
she must have been perduring
we must have been perduring
you must have been perduring
they must have been perduring

Negation

Simple form

I mustn't perdure
you mustn't perdure
she mustn't perdure
we mustn't perdure
you mustn't perdure
they mustn't perdure

V-ing form

I mustn't be perduring
you mustn't be perduring
she mustn't be perduring
we mustn't be perduring
you mustn't be perduring
they mustn't be perduring

Perfect

I mustn't have perdured
you mustn't have perdured
she mustn't have perdured
we mustn't have perdured
you mustn't have perdured
they mustn't have perdured

V-ing perfect

I mustn't have been perduring
you mustn't have been perduring
she mustn't have been perduring
we mustn't have been perduring
you mustn't have been perduring
they mustn't have been perduring

Interrogative form

Simple form

must I perdure?
must you perdure?
must she perdure?
must we perdure?
must you perdure?
must they perdure?

V-ing form

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

Perfect

must I have perdured?
must you have perdured?
must she have perdured?
must we have perdured?
must you have perdured?
must they have perdured?

V-ing perfect

must I have been perduring?
must you have been perduring?
must she have been perduring?
must we have been perduring?
must you have been perduring?
must they have been perduring?

Interro-negative form

Simple form

mustn't I perdure?
mustn't you perdure?
mustn't she perdure?
mustn't we perdure?
mustn't you perdure?
mustn't they perdure?

V-ing form

mustn't I be perduring?
mustn't you be perduring?
mustn't she be perduring?
mustn't we be perduring?
mustn't you be perduring?
mustn't they be perduring?

Perfect

mustn't I have perdured?
mustn't you have perdured?
mustn't she have perdured?
mustn't we have perdured?
mustn't you have perdured?
mustn't they have perdured?

V-ing perfect

mustn't I have been perduring?
mustn't you have been perduring?
mustn't she have been perduring?
mustn't we have been perduring?
mustn't you have been perduring?
mustn't they have been perduring?

Page top