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

English verb conjugation MUST VARY

Regular verb: vary - varied - varied


Affirmation

Simple form
I must vary
you must vary
she must vary
we must vary
you must vary
they must vary
V-ing form
I must be varying
you must be varying
she must be varying
we must be varying
you must be varying
they must be varying
Perfect
I must have varied
you must have varied
she must have varied
we must have varied
you must have varied
they must have varied
V-ing perfect
I must have been varying
you must have been varying
she must have been varying
we must have been varying
you must have been varying
they must have been varying

Negation

Simple form
I mustn't vary
you mustn't vary
she mustn't vary
we mustn't vary
you mustn't vary
they mustn't vary
V-ing form
I mustn't be varying
you mustn't be varying
she mustn't be varying
we mustn't be varying
you mustn't be varying
they mustn't be varying
Perfect
I mustn't have varied
you mustn't have varied
she mustn't have varied
we mustn't have varied
you mustn't have varied
they mustn't have varied
V-ing perfect
I mustn't have been varying
you mustn't have been varying
she mustn't have been varying
we mustn't have been varying
you mustn't have been varying
they mustn't have been varying

Interrogative form

Simple form
must I vary?
must you vary?
must she vary?
must we vary?
must you vary?
must they vary?
V-ing form
must I be varying?
must you be varying?
must she be varying?
must we be varying?
must you be varying?
must they be varying?
Perfect
must I have varied?
must you have varied?
must she have varied?
must we have varied?
must you have varied?
must they have varied?
V-ing perfect
must I have been varying?
must you have been varying?
must she have been varying?
must we have been varying?
must you have been varying?
must they have been varying?

Interro-negative form

Simple form
mustn't I vary?
mustn't you vary?
mustn't she vary?
mustn't we vary?
mustn't you vary?
mustn't they vary?
V-ing form
mustn't I be varying?
mustn't you be varying?
mustn't she be varying?
mustn't we be varying?
mustn't you be varying?
mustn't they be varying?
Perfect
mustn't I have varied?
mustn't you have varied?
mustn't she have varied?
mustn't we have varied?
mustn't you have varied?
mustn't they have varied?
V-ing perfect
mustn't I have been varying?
mustn't you have been varying?
mustn't she have been varying?
mustn't we have been varying?
mustn't you have been varying?
mustn't they have been varying?