English verb conjugation
MUST RETORT

Regular verb: retort - retorted - retorted

Affirmation

Simple form	V-ing form
I must retort you must retort he must retort we must retort you must retort they must retort	I must be retorting you must be retorting he must be retorting we must be retorting you must be retorting they must be retorting
Perfect	V-ing perfect
I must have retorted you must have retorted he must have retorted we must have retorted you must have retorted they must have retorted	I must have been retorting you must have been retorting he must have been retorting we must have been retorting you must have been retorting they must have been retorting

Negation

Simple form	V-ing form
I mustn't retort you mustn't retort he mustn't retort we mustn't retort you mustn't retort they mustn't retort	I mustn't be retorting you mustn't be retorting he mustn't be retorting we mustn't be retorting you mustn't be retorting they mustn't be retorting
Perfect	V-ing perfect
I mustn't have retorted you mustn't have retorted he mustn't have retorted we mustn't have retorted you mustn't have retorted they mustn't have retorted	I mustn't have been retorting you mustn't have been retorting he mustn't have been retorting we mustn't have been retorting you mustn't have been retorting they mustn't have been retorting

Interrogative form

Simple form	V-ing form
must I retort? must you retort? must he retort? must we retort? must you retort? must they retort?	must I be retorting? must you be retorting? must he be retorting? must we be retorting? must you be retorting? must they be retorting?
Perfect	V-ing perfect
must I have retorted? must you have retorted? must he have retorted? must we have retorted? must you have retorted? must they have retorted?	must I have been retorting? must you have been retorting? must he have been retorting? must we have been retorting? must you have been retorting? must they have been retorting?

Interro-negative form

Simple form	V-ing form
mustn't I retort? mustn't you retort? mustn't he retort? mustn't we retort? mustn't you retort? mustn't they retort?	mustn't I be retorting? mustn't you be retorting? mustn't he be retorting? mustn't we be retorting? mustn't you be retorting? mustn't they be retorting?
Perfect	V-ing perfect
mustn't I have retorted? mustn't you have retorted? mustn't he have retorted? mustn't we have retorted? mustn't you have retorted? mustn't they have retorted?	mustn't I have been retorting? mustn't you have been retorting? mustn't he have been retorting? mustn't we have been retorting? mustn't you have been retorting? mustn't they have been retorting?