English verb conjugation
MUST REFIRE

Regular verb: refire - refired - refired

Affirmation

Simple form	V-ing form
I must refire you must refire he must refire we must refire you must refire they must refire	I must be refiring you must be refiring he must be refiring we must be refiring you must be refiring they must be refiring
Perfect	V-ing perfect
I must have refired you must have refired he must have refired we must have refired you must have refired they must have refired	I must have been refiring you must have been refiring he must have been refiring we must have been refiring you must have been refiring they must have been refiring

Negation

Simple form	V-ing form
I mustn't refire you mustn't refire he mustn't refire we mustn't refire you mustn't refire they mustn't refire	I mustn't be refiring you mustn't be refiring he mustn't be refiring we mustn't be refiring you mustn't be refiring they mustn't be refiring
Perfect	V-ing perfect
I mustn't have refired you mustn't have refired he mustn't have refired we mustn't have refired you mustn't have refired they mustn't have refired	I mustn't have been refiring you mustn't have been refiring he mustn't have been refiring we mustn't have been refiring you mustn't have been refiring they mustn't have been refiring

Interrogative form

Simple form	V-ing form
must I refire? must you refire? must he refire? must we refire? must you refire? must they refire?	must I be refiring? must you be refiring? must he be refiring? must we be refiring? must you be refiring? must they be refiring?
Perfect	V-ing perfect
must I have refired? must you have refired? must he have refired? must we have refired? must you have refired? must they have refired?	must I have been refiring? must you have been refiring? must he have been refiring? must we have been refiring? must you have been refiring? must they have been refiring?

Interro-negative form

Simple form	V-ing form
mustn't I refire? mustn't you refire? mustn't he refire? mustn't we refire? mustn't you refire? mustn't they refire?	mustn't I be refiring? mustn't you be refiring? mustn't he be refiring? mustn't we be refiring? mustn't you be refiring? mustn't they be refiring?
Perfect	V-ing perfect
mustn't I have refired? mustn't you have refired? mustn't he have refired? mustn't we have refired? mustn't you have refired? mustn't they have refired?	mustn't I have been refiring? mustn't you have been refiring? mustn't he have been refiring? mustn't we have been refiring? mustn't you have been refiring? mustn't they have been refiring?