must overstimulate
Regular verb: overstimulate - overstimulated- overstimulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must overstimulate
you must overstimulate
she must overstimulate
we must overstimulate
you must overstimulate
they must overstimulate 	I must be overstimulating
you must be overstimulating
she must be overstimulating
we must be overstimulating
you must be overstimulating
they must be overstimulating	I must have overstimulated
you must have overstimulated
she must have overstimulated
we must have overstimulated
you must have overstimulated
they must have overstimulated	I must have been overstimulating
you must have been overstimulating
she must have been overstimulating
we must have been overstimulating
you must have been overstimulating
they must have been overstimulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not overstimulate
you must not overstimulate
she must not overstimulate
we must not overstimulate
you must not overstimulate
they must not overstimulate 	I must not be overstimulating
you must not be overstimulating
she must not be overstimulating
we must not be overstimulating
you must not be overstimulating
they must not be overstimulating	I must not have overstimulated
you must not have overstimulated
she must not have overstimulated
we must not have overstimulated
you must not have overstimulated
they must not have overstimulated	I must not have been overstimulating
you must not have been overstimulating
she must not have been overstimulating
we must not have been overstimulating
you must not have been overstimulating
they must not have been overstimulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I overstimulate?
must you overstimulate?
must she overstimulate?
must we overstimulate?
must you overstimulate?
must they overstimulate? 	must I be overstimulating?
must you be overstimulating?
must she be overstimulating?
must we be overstimulating?
must you be overstimulating?
must they be overstimulating? 	must I have overstimulated?
must you have overstimulated?
must she have overstimulated?
must we have overstimulated?
must you have overstimulated?
must they have overstimulated? 	must I have been overstimulating?
must you have been overstimulating?
must she have been overstimulating?
must we have been overstimulating?
must you have been overstimulating?
must they have been overstimulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not overstimulate?
must you not overstimulate?
must she not overstimulate?
must we not overstimulate?
must you not overstimulate?
must they not overstimulate? 	must I not be overstimulating?
must you not be overstimulating?
must she not be overstimulating?
must we not be overstimulating?
must you not be overstimulating?
must they not be overstimulating? 	must I not have overstimulated?
must you not have overstimulated?
must she not have overstimulated?
must we not have overstimulated?
must you not have overstimulated?
must they not have overstimulated? 	must I not have been overstimulating?
must you not have been overstimulating?
must she not have been overstimulating?
must we not have been overstimulating?
must you not have been overstimulating?
must they not have been overstimulating?