English verb conjugation
MUST DOWEL

Regular verb: dowel - dowelled - dowelled

Affirmation

Simple form	V-ing form
I must dowel you must dowel he must dowel we must dowel you must dowel they must dowel	I must be dowelling you must be dowelling he must be dowelling we must be dowelling you must be dowelling they must be dowelling
Perfect	V-ing perfect
I must have dowelled you must have dowelled he must have dowelled we must have dowelled you must have dowelled they must have dowelled	I must have been dowelling you must have been dowelling he must have been dowelling we must have been dowelling you must have been dowelling they must have been dowelling

Negation

Simple form	V-ing form
I must not dowel you must not dowel he must not dowel we must not dowel you must not dowel they must not dowel	I must not be dowelling you must not be dowelling he must not be dowelling we must not be dowelling you must not be dowelling they must not be dowelling
Perfect	V-ing perfect
I must not have dowelled you must not have dowelled he must not have dowelled we must not have dowelled you must not have dowelled they must not have dowelled	I must not have been dowelling you must not have been dowelling he must not have been dowelling we must not have been dowelling you must not have been dowelling they must not have been dowelling

Interrogative form

Simple form	V-ing form
must I dowel? must you dowel? must he dowel? must we dowel? must you dowel? must they dowel?	must I be dowelling? must you be dowelling? must he be dowelling? must we be dowelling? must you be dowelling? must they be dowelling?
Perfect	V-ing perfect
must I have dowelled? must you have dowelled? must he have dowelled? must we have dowelled? must you have dowelled? must they have dowelled?	must I have been dowelling? must you have been dowelling? must he have been dowelling? must we have been dowelling? must you have been dowelling? must they have been dowelling?

Interro-negative form

Simple form	V-ing form
must I not dowel? must you not dowel? must he not dowel? must we not dowel? must you not dowel? must they not dowel?	must I not be dowelling? must you not be dowelling? must he not be dowelling? must we not be dowelling? must you not be dowelling? must they not be dowelling?
Perfect	V-ing perfect
must I not have dowelled? must you not have dowelled? must he not have dowelled? must we not have dowelled? must you not have dowelled? must they not have dowelled?	must I not have been dowelling? must you not have been dowelling? must he not have been dowelling? must we not have been dowelling? must you not have been dowelling? must they not have been dowelling?