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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST CONSERVE

Regular verb: conserve - conserved - conserved


Affirmation

Simple form
I must conserve
you must conserve
she must conserve
we must conserve
you must conserve
they must conserve
V-ing form
I must be conserving
you must be conserving
she must be conserving
we must be conserving
you must be conserving
they must be conserving
Perfect
I must have conserved
you must have conserved
she 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
she 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
she 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
she 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
she 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
she 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 she conserve?
must we conserve?
must you conserve?
must they conserve?
V-ing form
must I be conserving?
must you be conserving?
must she be conserving?
must we be conserving?
must you be conserving?
must they be conserving?
Perfect
must I have conserved?
must you have conserved?
must she 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 she 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 she 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 she 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 she 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 she have been conserving?
mustn't we have been conserving?
mustn't you have been conserving?
mustn't they have been conserving?