must revolve
Regular verb: revolve - revolved- revolved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must revolve
you must revolve
he must revolve
we must revolve
you must revolve
they must revolve 	I must be revolving
you must be revolving
he must be revolving
we must be revolving
you must be revolving
they must be revolving	I must have revolved
you must have revolved
he must have revolved
we must have revolved
you must have revolved
they must have revolved	I must have been revolving
you must have been revolving
he must have been revolving
we must have been revolving
you must have been revolving
they must have been revolving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not revolve
you must not revolve
he must not revolve
we must not revolve
you must not revolve
they must not revolve 	I must not be revolving
you must not be revolving
he must not be revolving
we must not be revolving
you must not be revolving
they must not be revolving	I must not have revolved
you must not have revolved
he must not have revolved
we must not have revolved
you must not have revolved
they must not have revolved	I must not have been revolving
you must not have been revolving
he must not have been revolving
we must not have been revolving
you must not have been revolving
they must not have been revolving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I revolve?
must you revolve?
must he revolve?
must we revolve?
must you revolve?
must they revolve? 	must I be revolving?
must you be revolving?
must he be revolving?
must we be revolving?
must you be revolving?
must they be revolving? 	must I have revolved?
must you have revolved?
must he have revolved?
must we have revolved?
must you have revolved?
must they have revolved? 	must I have been revolving?
must you have been revolving?
must he have been revolving?
must we have been revolving?
must you have been revolving?
must they have been revolving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not revolve?
must you not revolve?
must he not revolve?
must we not revolve?
must you not revolve?
must they not revolve? 	must I not be revolving?
must you not be revolving?
must he not be revolving?
must we not be revolving?
must you not be revolving?
must they not be revolving? 	must I not have revolved?
must you not have revolved?
must he not have revolved?
must we not have revolved?
must you not have revolved?
must they not have revolved? 	must I not have been revolving?
must you not have been revolving?
must he not have been revolving?
must we not have been revolving?
must you not have been revolving?
must they not have been revolving?