English verb conjugation MUST GREASE

Regular verb: grease - greased - greased

Affirmation

Simple form

I must grease
you must grease
she must grease
we must grease
you must grease
they must grease

V-ing form

I must be greasing
you must be greasing
she must be greasing
we must be greasing
you must be greasing
they must be greasing

Perfect

I must have greased
you must have greased
she must have greased
we must have greased
you must have greased
they must have greased

V-ing perfect

I must have been greasing
you must have been greasing
she must have been greasing
we must have been greasing
you must have been greasing
they must have been greasing

Negation

Simple form

I must not grease
you must not grease
she must not grease
we must not grease
you must not grease
they must not grease

V-ing form

I must not be greasing
you must not be greasing
she must not be greasing
we must not be greasing
you must not be greasing
they must not be greasing

Perfect

I must not have greased
you must not have greased
she must not have greased
we must not have greased
you must not have greased
they must not have greased

V-ing perfect

I must not have been greasing
you must not have been greasing
she must not have been greasing
we must not have been greasing
you must not have been greasing
they must not have been greasing

Interrogative form

Simple form

must I grease?
must you grease?
must she grease?
must we grease?
must you grease?
must they grease?

V-ing form

must I be greasing?
must you be greasing?
must she be greasing?
must we be greasing?
must you be greasing?
must they be greasing?

Perfect

must I have greased?
must you have greased?
must she have greased?
must we have greased?
must you have greased?
must they have greased?

V-ing perfect

must I have been greasing?
must you have been greasing?
must she have been greasing?
must we have been greasing?
must you have been greasing?
must they have been greasing?

Interro-negative form

Simple form

must I not grease?
must you not grease?
must she not grease?
must we not grease?
must you not grease?
must they not grease?

V-ing form

must I not be greasing?
must you not be greasing?
must she not be greasing?
must we not be greasing?
must you not be greasing?
must they not be greasing?

Perfect

must I not have greased?
must you not have greased?
must she not have greased?
must we not have greased?
must you not have greased?
must they not have greased?

V-ing perfect

must I not have been greasing?
must you not have been greasing?
must she not have been greasing?
must we not have been greasing?
must you not have been greasing?
must they not have been greasing?

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