must somnambulate
Regular verb: somnambulate - somnambulated- somnambulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must somnambulate
you must somnambulate
he must somnambulate
we must somnambulate
you must somnambulate
they must somnambulate 	I must be somnambulating
you must be somnambulating
he must be somnambulating
we must be somnambulating
you must be somnambulating
they must be somnambulating	I must have somnambulated
you must have somnambulated
he must have somnambulated
we must have somnambulated
you must have somnambulated
they must have somnambulated	I must have been somnambulating
you must have been somnambulating
he must have been somnambulating
we must have been somnambulating
you must have been somnambulating
they must have been somnambulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not somnambulate
you must not somnambulate
he must not somnambulate
we must not somnambulate
you must not somnambulate
they must not somnambulate 	I must not be somnambulating
you must not be somnambulating
he must not be somnambulating
we must not be somnambulating
you must not be somnambulating
they must not be somnambulating	I must not have somnambulated
you must not have somnambulated
he must not have somnambulated
we must not have somnambulated
you must not have somnambulated
they must not have somnambulated	I must not have been somnambulating
you must not have been somnambulating
he must not have been somnambulating
we must not have been somnambulating
you must not have been somnambulating
they must not have been somnambulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I somnambulate?
must you somnambulate?
must he somnambulate?
must we somnambulate?
must you somnambulate?
must they somnambulate? 	must I be somnambulating?
must you be somnambulating?
must he be somnambulating?
must we be somnambulating?
must you be somnambulating?
must they be somnambulating? 	must I have somnambulated?
must you have somnambulated?
must he have somnambulated?
must we have somnambulated?
must you have somnambulated?
must they have somnambulated? 	must I have been somnambulating?
must you have been somnambulating?
must he have been somnambulating?
must we have been somnambulating?
must you have been somnambulating?
must they have been somnambulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not somnambulate?
must you not somnambulate?
must he not somnambulate?
must we not somnambulate?
must you not somnambulate?
must they not somnambulate? 	must I not be somnambulating?
must you not be somnambulating?
must he not be somnambulating?
must we not be somnambulating?
must you not be somnambulating?
must they not be somnambulating? 	must I not have somnambulated?
must you not have somnambulated?
must he not have somnambulated?
must we not have somnambulated?
must you not have somnambulated?
must they not have somnambulated? 	must I not have been somnambulating?
must you not have been somnambulating?
must he not have been somnambulating?
must we not have been somnambulating?
must you not have been somnambulating?
must they not have been somnambulating?