English verb conjugation MUST CONSERVE

Regular verb: conserve - conserved - conserved

Affirmation

Simple form

I must conserve
you must conserve
he must conserve
we must conserve
you must conserve
they must conserve

V-ing form

I must be conserving
you must be conserving
he must be conserving
we must be conserving
you must be conserving
they must be conserving

Perfect

I must have conserved
you must have conserved
he must have conserved
we must have conserved
you must have conserved
they must have conserved

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I conserve?
must you conserve?
must he conserve?
must we conserve?
must you conserve?
must they conserve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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