English verb conjugation
MUST DUMMY

Regular verb: dummy - dummied - dummied

Affirmation

Simple form	V-ing form
I must dummy you must dummy he must dummy we must dummy you must dummy they must dummy	I must be dummying you must be dummying he must be dummying we must be dummying you must be dummying they must be dummying
Perfect	V-ing perfect
I must have dummied you must have dummied he must have dummied we must have dummied you must have dummied they must have dummied	I must have been dummying you must have been dummying he must have been dummying we must have been dummying you must have been dummying they must have been dummying

Negation

Simple form	V-ing form
I must not dummy you must not dummy he must not dummy we must not dummy you must not dummy they must not dummy	I must not be dummying you must not be dummying he must not be dummying we must not be dummying you must not be dummying they must not be dummying
Perfect	V-ing perfect
I must not have dummied you must not have dummied he must not have dummied we must not have dummied you must not have dummied they must not have dummied	I must not have been dummying you must not have been dummying he must not have been dummying we must not have been dummying you must not have been dummying they must not have been dummying

Interrogative form

Simple form	V-ing form
must I dummy? must you dummy? must he dummy? must we dummy? must you dummy? must they dummy?	must I be dummying? must you be dummying? must he be dummying? must we be dummying? must you be dummying? must they be dummying?
Perfect	V-ing perfect
must I have dummied? must you have dummied? must he have dummied? must we have dummied? must you have dummied? must they have dummied?	must I have been dummying? must you have been dummying? must he have been dummying? must we have been dummying? must you have been dummying? must they have been dummying?

Interro-negative form

Simple form	V-ing form
must I not dummy? must you not dummy? must he not dummy? must we not dummy? must you not dummy? must they not dummy?	must I not be dummying? must you not be dummying? must he not be dummying? must we not be dummying? must you not be dummying? must they not be dummying?
Perfect	V-ing perfect
must I not have dummied? must you not have dummied? must he not have dummied? must we not have dummied? must you not have dummied? must they not have dummied?	must I not have been dummying? must you not have been dummying? must he not have been dummying? must we not have been dummying? must you not have been dummying? must they not have been dummying?