English verb conjugation MUST GROUND

Regular verb: ground - grounded - grounded

Affirmation

Simple form

I must ground
you must ground
he must ground
we must ground
you must ground
they must ground

V-ing form

I must be grounding
you must be grounding
he must be grounding
we must be grounding
you must be grounding
they must be grounding

Perfect

I must have grounded
you must have grounded
he must have grounded
we must have grounded
you must have grounded
they must have grounded

V-ing perfect

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

Negation

Simple form

I must not ground
you must not ground
he must not ground
we must not ground
you must not ground
they must not ground

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I ground?
must you ground?
must he ground?
must we ground?
must you ground?
must they ground?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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