English verb conjugation MUST REGRET

Regular verb: regret - regreted - regreted

Affirmation

Simple form

I must regret
you must regret
he must regret
we must regret
you must regret
they must regret

V-ing form

I must be regreting
you must be regreting
he must be regreting
we must be regreting
you must be regreting
they must be regreting

Perfect

I must have regreted
you must have regreted
he must have regreted
we must have regreted
you must have regreted
they must have regreted

V-ing perfect

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

Negation

Simple form

I must not regret
you must not regret
he must not regret
we must not regret
you must not regret
they must not regret

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I regret?
must you regret?
must he regret?
must we regret?
must you regret?
must they regret?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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