English verb conjugation
MUST HELLO

Regular verb: hello - helloed - helloed

Affirmation

Simple form	V-ing form
I must hello you must hello he must hello we must hello you must hello they must hello	I must be helloing you must be helloing he must be helloing we must be helloing you must be helloing they must be helloing
Perfect	V-ing perfect
I must have helloed you must have helloed he must have helloed we must have helloed you must have helloed they must have helloed	I must have been helloing you must have been helloing he must have been helloing we must have been helloing you must have been helloing they must have been helloing

Negation

Simple form	V-ing form
I must not hello you must not hello he must not hello we must not hello you must not hello they must not hello	I must not be helloing you must not be helloing he must not be helloing we must not be helloing you must not be helloing they must not be helloing
Perfect	V-ing perfect
I must not have helloed you must not have helloed he must not have helloed we must not have helloed you must not have helloed they must not have helloed	I must not have been helloing you must not have been helloing he must not have been helloing we must not have been helloing you must not have been helloing they must not have been helloing

Interrogative form

Simple form	V-ing form
must I hello? must you hello? must he hello? must we hello? must you hello? must they hello?	must I be helloing? must you be helloing? must he be helloing? must we be helloing? must you be helloing? must they be helloing?
Perfect	V-ing perfect
must I have helloed? must you have helloed? must he have helloed? must we have helloed? must you have helloed? must they have helloed?	must I have been helloing? must you have been helloing? must he have been helloing? must we have been helloing? must you have been helloing? must they have been helloing?

Interro-negative form

Simple form	V-ing form
must I not hello? must you not hello? must he not hello? must we not hello? must you not hello? must they not hello?	must I not be helloing? must you not be helloing? must he not be helloing? must we not be helloing? must you not be helloing? must they not be helloing?
Perfect	V-ing perfect
must I not have helloed? must you not have helloed? must he not have helloed? must we not have helloed? must you not have helloed? must they not have helloed?	must I not have been helloing? must you not have been helloing? must he not have been helloing? must we not have been helloing? must you not have been helloing? must they not have been helloing?