English verb conjugation MUST REGRIND

Irregular verb: regrind - reground - reground

Affirmation

Simple form

I must regrind
you must regrind
he must regrind
we must regrind
you must regrind
they must regrind

V-ing form

I must be regrinding
you must be regrinding
he must be regrinding
we must be regrinding
you must be regrinding
they must be regrinding

Perfect

I must have reground
you must have reground
he must have reground
we must have reground
you must have reground
they must have reground

V-ing perfect

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

Negation

Simple form

I must not regrind
you must not regrind
he must not regrind
we must not regrind
you must not regrind
they must not regrind

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I regrind?
must you regrind?
must he regrind?
must we regrind?
must you regrind?
must they regrind?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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