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 mustn't grease
you mustn't grease
she mustn't grease
we mustn't grease
you mustn't grease
they mustn't grease

V-ing form

I mustn't be greasing
you mustn't be greasing
she mustn't be greasing
we mustn't be greasing
you mustn't be greasing
they mustn't be greasing

Perfect

I mustn't have greased
you mustn't have greased
she mustn't have greased
we mustn't have greased
you mustn't have greased
they mustn't have greased

V-ing perfect

I mustn't have been greasing
you mustn't have been greasing
she mustn't have been greasing
we mustn't have been greasing
you mustn't have been greasing
they mustn't 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

mustn't I grease?
mustn't you grease?
mustn't she grease?
mustn't we grease?
mustn't you grease?
mustn't they grease?

V-ing form

mustn't I be greasing?
mustn't you be greasing?
mustn't she be greasing?
mustn't we be greasing?
mustn't you be greasing?
mustn't they be greasing?

Perfect

mustn't I have greased?
mustn't you have greased?
mustn't she have greased?
mustn't we have greased?
mustn't you have greased?
mustn't they have greased?

V-ing perfect

mustn't I have been greasing?
mustn't you have been greasing?
mustn't she have been greasing?
mustn't we have been greasing?
mustn't you have been greasing?
mustn't they have been greasing?

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