must necessitate
Regular verb: necessitate - necessitated- necessitated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must necessitate
you must necessitate
she must necessitate
we must necessitate
you must necessitate
they must necessitate 	I must be necessitating
you must be necessitating
she must be necessitating
we must be necessitating
you must be necessitating
they must be necessitating	I must have necessitated
you must have necessitated
she must have necessitated
we must have necessitated
you must have necessitated
they must have necessitated	I must have been necessitating
you must have been necessitating
she must have been necessitating
we must have been necessitating
you must have been necessitating
they must have been necessitating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not necessitate
you must not necessitate
she must not necessitate
we must not necessitate
you must not necessitate
they must not necessitate 	I must not be necessitating
you must not be necessitating
she must not be necessitating
we must not be necessitating
you must not be necessitating
they must not be necessitating	I must not have necessitated
you must not have necessitated
she must not have necessitated
we must not have necessitated
you must not have necessitated
they must not have necessitated	I must not have been necessitating
you must not have been necessitating
she must not have been necessitating
we must not have been necessitating
you must not have been necessitating
they must not have been necessitating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I necessitate?
must you necessitate?
must she necessitate?
must we necessitate?
must you necessitate?
must they necessitate? 	must I be necessitating?
must you be necessitating?
must she be necessitating?
must we be necessitating?
must you be necessitating?
must they be necessitating? 	must I have necessitated?
must you have necessitated?
must she have necessitated?
must we have necessitated?
must you have necessitated?
must they have necessitated? 	must I have been necessitating?
must you have been necessitating?
must she have been necessitating?
must we have been necessitating?
must you have been necessitating?
must they have been necessitating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not necessitate?
must you not necessitate?
must she not necessitate?
must we not necessitate?
must you not necessitate?
must they not necessitate? 	must I not be necessitating?
must you not be necessitating?
must she not be necessitating?
must we not be necessitating?
must you not be necessitating?
must they not be necessitating? 	must I not have necessitated?
must you not have necessitated?
must she not have necessitated?
must we not have necessitated?
must you not have necessitated?
must they not have necessitated? 	must I not have been necessitating?
must you not have been necessitating?
must she not have been necessitating?
must we not have been necessitating?
must you not have been necessitating?
must they not have been necessitating?