English verb conjugation
MUST OPTION

Regular verb: option - optioned - optioned

Affirmation

Simple form	V-ing form
I must option you must option he must option we must option you must option they must option	I must be optioning you must be optioning he must be optioning we must be optioning you must be optioning they must be optioning
Perfect	V-ing perfect
I must have optioned you must have optioned he 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 he 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
I mustn't option you mustn't option he mustn't option we mustn't option you mustn't option they mustn't option	I mustn't be optioning you mustn't be optioning he mustn't be optioning we mustn't be optioning you mustn't be optioning they mustn't be optioning
Perfect	V-ing perfect
I mustn't have optioned you mustn't have optioned he mustn't have optioned we mustn't have optioned you mustn't have optioned they mustn't have optioned	I mustn't have been optioning you mustn't have been optioning he mustn't have been optioning we mustn't have been optioning you mustn't have been optioning they mustn't have been optioning

Interrogative form

Simple form	V-ing form
must I option? must you option? must he option? must we option? must you option? must they option?	must I be optioning? must you be optioning? must he be optioning? must we be optioning? must you be optioning? must they be optioning?
Perfect	V-ing perfect
must I have optioned? must you have optioned? must he 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 he 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
mustn't I option? mustn't you option? mustn't he option? mustn't we option? mustn't you option? mustn't they option?	mustn't I be optioning? mustn't you be optioning? mustn't he be optioning? mustn't we be optioning? mustn't you be optioning? mustn't they be optioning?
Perfect	V-ing perfect
mustn't I have optioned? mustn't you have optioned? mustn't he have optioned? mustn't we have optioned? mustn't you have optioned? mustn't they have optioned?	mustn't I have been optioning? mustn't you have been optioning? mustn't he have been optioning? mustn't we have been optioning? mustn't you have been optioning? mustn't they have been optioning?