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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 must not vary
you must not vary
she must not vary
we must not vary
you must not vary
they must not vary
V-ing form
I must not be varying
you must not be varying
she must not be varying
we must not be varying
you must not be varying
they must not be varying
Perfect
I must not have varied
you must not have varied
she must not have varied
we must not have varied
you must not have varied
they must not have varied
V-ing perfect
I must not have been varying
you must not have been varying
she must not have been varying
we must not have been varying
you must not have been varying
they must not 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
must I not vary?
must you not vary?
must she not vary?
must we not vary?
must you not vary?
must they not vary?
V-ing form
must I not be varying?
must you not be varying?
must she not be varying?
must we not be varying?
must you not be varying?
must they not be varying?
Perfect
must I not have varied?
must you not have varied?
must she not have varied?
must we not have varied?
must you not have varied?
must they not have varied?
V-ing perfect
must I not have been varying?
must you not have been varying?
must she not have been varying?
must we not have been varying?
must you not have been varying?
must they not have been varying?