English verb conjugation
MUST LOO

Regular verb: loo - looed - looed

Affirmation

Simple form	V-ing form
I must loo you must loo he must loo we must loo you must loo they must loo	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	V-ing 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	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	V-ing form
I must not loo you must not loo he must not loo we must not loo you must not loo they must not loo	I must not be looing you must not be looing he must not be looing we must not be looing you must not be looing they must not be looing
Perfect	V-ing perfect
I must not have looed you must not have looed he must not have looed we must not have looed you must not have looed they must not have looed	I must not have been looing you must not have been looing he must not have been looing we must not have been looing you must not have been looing they must not have been looing

Interrogative form

Simple form	V-ing form
must I loo? must you loo? must he loo? must we loo? must you loo? must they loo?	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	V-ing 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?	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	V-ing form
must I not loo? must you not loo? must he not loo? must we not loo? must you not loo? must they not loo?	must I not be looing? must you not be looing? must he not be looing? must we not be looing? must you not be looing? must they not be looing?
Perfect	V-ing perfect
must I not have looed? must you not have looed? must he not have looed? must we not have looed? must you not have looed? must they not have looed?	must I not have been looing? must you not have been looing? must he not have been looing? must we not have been looing? must you not have been looing? must they not have been looing?