male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MUST LOO
Regular verb: loo - looed - looed
Affirmation
Simple form
I must looyou must loo
she must loo
we must loo
you must loo
they must loo
V-ing form
I must be looingyou must be looing
she must be looing
we must be looing
you must be looing
they must be looing
Perfect
I must have looedyou must have looed
she must have looed
we must have looed
you must have looed
they must have looed
V-ing perfect
I must have been looingyou must have been looing
she 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 looyou mustn't loo
she mustn't loo
we mustn't loo
you mustn't loo
they mustn't loo
V-ing form
I mustn't be looingyou mustn't be looing
she mustn't be looing
we mustn't be looing
you mustn't be looing
they mustn't be looing
Perfect
I mustn't have looedyou mustn't have looed
she 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 looingyou mustn't have been looing
she 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 she loo?
must we loo?
must you loo?
must they loo?
V-ing form
must I be looing?must you be looing?
must she be looing?
must we be looing?
must you be looing?
must they be looing?
Perfect
must I have looed?must you have looed?
must she 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 she 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 she 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 she 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 she 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 she have been looing?
mustn't we have been looing?
mustn't you have been looing?
mustn't they have been looing?