English verb conjugation
MUST YOO-HOO

Regular verb: yoo-hoo - yoo-hooed - yoo-hooed

Affirmation

Simple form	V-ing form
I must yoo-hoo you must yoo-hoo she must yoo-hoo we must yoo-hoo you must yoo-hoo they must yoo-hoo	I must be yoo-hooing you must be yoo-hooing she must be yoo-hooing we must be yoo-hooing you must be yoo-hooing they must be yoo-hooing
Perfect	V-ing perfect
I must have yoo-hooed you must have yoo-hooed she must have yoo-hooed we must have yoo-hooed you must have yoo-hooed they must have yoo-hooed	I must have been yoo-hooing you must have been yoo-hooing she must have been yoo-hooing we must have been yoo-hooing you must have been yoo-hooing they must have been yoo-hooing

Negation

Simple form	V-ing form
I must not yoo-hoo you must not yoo-hoo she must not yoo-hoo we must not yoo-hoo you must not yoo-hoo they must not yoo-hoo	I must not be yoo-hooing you must not be yoo-hooing she must not be yoo-hooing we must not be yoo-hooing you must not be yoo-hooing they must not be yoo-hooing
Perfect	V-ing perfect
I must not have yoo-hooed you must not have yoo-hooed she must not have yoo-hooed we must not have yoo-hooed you must not have yoo-hooed they must not have yoo-hooed	I must not have been yoo-hooing you must not have been yoo-hooing she must not have been yoo-hooing we must not have been yoo-hooing you must not have been yoo-hooing they must not have been yoo-hooing

Interrogative form

Simple form	V-ing form
must I yoo-hoo? must you yoo-hoo? must she yoo-hoo? must we yoo-hoo? must you yoo-hoo? must they yoo-hoo?	must I be yoo-hooing? must you be yoo-hooing? must she be yoo-hooing? must we be yoo-hooing? must you be yoo-hooing? must they be yoo-hooing?
Perfect	V-ing perfect
must I have yoo-hooed? must you have yoo-hooed? must she have yoo-hooed? must we have yoo-hooed? must you have yoo-hooed? must they have yoo-hooed?	must I have been yoo-hooing? must you have been yoo-hooing? must she have been yoo-hooing? must we have been yoo-hooing? must you have been yoo-hooing? must they have been yoo-hooing?

Interro-negative form

Simple form	V-ing form
must I not yoo-hoo? must you not yoo-hoo? must she not yoo-hoo? must we not yoo-hoo? must you not yoo-hoo? must they not yoo-hoo?	must I not be yoo-hooing? must you not be yoo-hooing? must she not be yoo-hooing? must we not be yoo-hooing? must you not be yoo-hooing? must they not be yoo-hooing?
Perfect	V-ing perfect
must I not have yoo-hooed? must you not have yoo-hooed? must she not have yoo-hooed? must we not have yoo-hooed? must you not have yoo-hooed? must they not have yoo-hooed?	must I not have been yoo-hooing? must you not have been yoo-hooing? must she not have been yoo-hooing? must we not have been yoo-hooing? must you not have been yoo-hooing? must they not have been yoo-hooing?