English verb conjugation MUST LOO

Regular verb: loo - looed - looed

Affirmation

Simple form

I must loo
you must loo
he must loo
we must loo
you must loo
they must loo

V-ing form

I must be looing
you must be looing
he must be looing
we must be looing
you must be looing
they must be looing

Perfect

I must have looed
you must have looed
he must have looed
we must have looed
you must have looed
they must have looed

V-ing perfect

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

Negation

Simple form

I mustn't loo
you mustn't loo
he mustn't loo
we mustn't loo
you mustn't loo
they mustn't loo

V-ing form

I mustn't be looing
you mustn't be looing
he mustn't be looing
we mustn't be looing
you mustn't be looing
they mustn't be looing

Perfect

I mustn't have looed
you mustn't have looed
he mustn't have looed
we mustn't have looed
you mustn't have looed
they mustn't have looed

V-ing perfect

I mustn't have been looing
you mustn't have been looing
he mustn't have been looing
we mustn't have been looing
you mustn't have been looing
they mustn't have been looing

Interrogative form

Simple form

must I loo?
must you loo?
must he loo?
must we loo?
must you loo?
must they loo?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I loo?
mustn't you loo?
mustn't he loo?
mustn't we loo?
mustn't you loo?
mustn't they loo?

V-ing form

mustn't I be looing?
mustn't you be looing?
mustn't he be looing?
mustn't we be looing?
mustn't you be looing?
mustn't they be looing?

Perfect

mustn't I have looed?
mustn't you have looed?
mustn't he have looed?
mustn't we have looed?
mustn't you have looed?
mustn't they have looed?

V-ing perfect

mustn't I have been looing?
mustn't you have been looing?
mustn't he have been looing?
mustn't we have been looing?
mustn't you have been looing?
mustn't they have been looing?

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