English verb conjugation
MUST STOOP

Regular verb: stoop - stooped - stooped

Affirmation

Simple form	V-ing form
I must stoop you must stoop she must stoop we must stoop you must stoop they must stoop	I must be stooping you must be stooping she must be stooping we must be stooping you must be stooping they must be stooping
Perfect	V-ing perfect
I must have stooped you must have stooped she must have stooped we must have stooped you must have stooped they must have stooped	I must have been stooping you must have been stooping she must have been stooping we must have been stooping you must have been stooping they must have been stooping

Negation

Simple form	V-ing form
I must not stoop you must not stoop she must not stoop we must not stoop you must not stoop they must not stoop	I must not be stooping you must not be stooping she must not be stooping we must not be stooping you must not be stooping they must not be stooping
Perfect	V-ing perfect
I must not have stooped you must not have stooped she must not have stooped we must not have stooped you must not have stooped they must not have stooped	I must not have been stooping you must not have been stooping she must not have been stooping we must not have been stooping you must not have been stooping they must not have been stooping

Interrogative form

Simple form	V-ing form
must I stoop? must you stoop? must she stoop? must we stoop? must you stoop? must they stoop?	must I be stooping? must you be stooping? must she be stooping? must we be stooping? must you be stooping? must they be stooping?
Perfect	V-ing perfect
must I have stooped? must you have stooped? must she have stooped? must we have stooped? must you have stooped? must they have stooped?	must I have been stooping? must you have been stooping? must she have been stooping? must we have been stooping? must you have been stooping? must they have been stooping?

Interro-negative form

Simple form	V-ing form
must I not stoop? must you not stoop? must she not stoop? must we not stoop? must you not stoop? must they not stoop?	must I not be stooping? must you not be stooping? must she not be stooping? must we not be stooping? must you not be stooping? must they not be stooping?
Perfect	V-ing perfect
must I not have stooped? must you not have stooped? must she not have stooped? must we not have stooped? must you not have stooped? must they not have stooped?	must I not have been stooping? must you not have been stooping? must she not have been stooping? must we not have been stooping? must you not have been stooping? must they not have been stooping?