must option
Regular verb: option - optioned- optioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must option
you must option
she must option
we must option
you must option
they must option 	I must be optioning
you must be optioning
she must be optioning
we must be optioning
you must be optioning
they must be optioning	I must have optioned
you must have optioned
she must have optioned
we must have optioned
you must have optioned
they must have optioned	I must have been optioning
you must have been optioning
she must have been optioning
we must have been optioning
you must have been optioning
they must have been optioning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not option
you must not option
she must not option
we must not option
you must not option
they must not option 	I must not be optioning
you must not be optioning
she must not be optioning
we must not be optioning
you must not be optioning
they must not be optioning	I must not have optioned
you must not have optioned
she must not have optioned
we must not have optioned
you must not have optioned
they must not have optioned	I must not have been optioning
you must not have been optioning
she must not have been optioning
we must not have been optioning
you must not have been optioning
they must not have been optioning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I option?
must you option?
must she option?
must we option?
must you option?
must they option? 	must I be optioning?
must you be optioning?
must she be optioning?
must we be optioning?
must you be optioning?
must they be optioning? 	must I have optioned?
must you have optioned?
must she have optioned?
must we have optioned?
must you have optioned?
must they have optioned? 	must I have been optioning?
must you have been optioning?
must she have been optioning?
must we have been optioning?
must you have been optioning?
must they have been optioning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not option?
must you not option?
must she not option?
must we not option?
must you not option?
must they not option? 	must I not be optioning?
must you not be optioning?
must she not be optioning?
must we not be optioning?
must you not be optioning?
must they not be optioning? 	must I not have optioned?
must you not have optioned?
must she not have optioned?
must we not have optioned?
must you not have optioned?
must they not have optioned? 	must I not have been optioning?
must you not have been optioning?
must she not have been optioning?
must we not have been optioning?
must you not have been optioning?
must they not have been optioning?