English verb conjugation MUST UNDERMINE

Regular verb: undermine - undermined - undermined

Affirmation

Simple form

I must undermine
you must undermine
he must undermine
we must undermine
you must undermine
they must undermine

V-ing form

I must be undermining
you must be undermining
he must be undermining
we must be undermining
you must be undermining
they must be undermining

Perfect

I must have undermined
you must have undermined
he must have undermined
we must have undermined
you must have undermined
they must have undermined

V-ing perfect

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

Negation

Simple form

I must not undermine
you must not undermine
he must not undermine
we must not undermine
you must not undermine
they must not undermine

V-ing form

I must not be undermining
you must not be undermining
he must not be undermining
we must not be undermining
you must not be undermining
they must not be undermining

Perfect

I must not have undermined
you must not have undermined
he must not have undermined
we must not have undermined
you must not have undermined
they must not have undermined

V-ing perfect

I must not have been undermining
you must not have been undermining
he must not have been undermining
we must not have been undermining
you must not have been undermining
they must not have been undermining

Interrogative form

Simple form

must I undermine?
must you undermine?
must he undermine?
must we undermine?
must you undermine?
must they undermine?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not undermine?
must you not undermine?
must he not undermine?
must we not undermine?
must you not undermine?
must they not undermine?

V-ing form

must I not be undermining?
must you not be undermining?
must he not be undermining?
must we not be undermining?
must you not be undermining?
must they not be undermining?

Perfect

must I not have undermined?
must you not have undermined?
must he not have undermined?
must we not have undermined?
must you not have undermined?
must they not have undermined?

V-ing perfect

must I not have been undermining?
must you not have been undermining?
must he not have been undermining?
must we not have been undermining?
must you not have been undermining?
must they not have been undermining?

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