must distemper
Regular verb: distemper - distempered- distempered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must distemper
you must distemper
she must distemper
we must distemper
you must distemper
they must distemper 	I must be distempering
you must be distempering
she must be distempering
we must be distempering
you must be distempering
they must be distempering	I must have distempered
you must have distempered
she must have distempered
we must have distempered
you must have distempered
they must have distempered	I must have been distempering
you must have been distempering
she must have been distempering
we must have been distempering
you must have been distempering
they must have been distempering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not distemper
you must not distemper
she must not distemper
we must not distemper
you must not distemper
they must not distemper 	I must not be distempering
you must not be distempering
she must not be distempering
we must not be distempering
you must not be distempering
they must not be distempering	I must not have distempered
you must not have distempered
she must not have distempered
we must not have distempered
you must not have distempered
they must not have distempered	I must not have been distempering
you must not have been distempering
she must not have been distempering
we must not have been distempering
you must not have been distempering
they must not have been distempering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I distemper?
must you distemper?
must she distemper?
must we distemper?
must you distemper?
must they distemper? 	must I be distempering?
must you be distempering?
must she be distempering?
must we be distempering?
must you be distempering?
must they be distempering? 	must I have distempered?
must you have distempered?
must she have distempered?
must we have distempered?
must you have distempered?
must they have distempered? 	must I have been distempering?
must you have been distempering?
must she have been distempering?
must we have been distempering?
must you have been distempering?
must they have been distempering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not distemper?
must you not distemper?
must she not distemper?
must we not distemper?
must you not distemper?
must they not distemper? 	must I not be distempering?
must you not be distempering?
must she not be distempering?
must we not be distempering?
must you not be distempering?
must they not be distempering? 	must I not have distempered?
must you not have distempered?
must she not have distempered?
must we not have distempered?
must you not have distempered?
must they not have distempered? 	must I not have been distempering?
must you not have been distempering?
must she not have been distempering?
must we not have been distempering?
must you not have been distempering?
must they not have been distempering?