English verb conjugation
MUST STROKE

Regular verb: stroke - stroked - stroked

Affirmation

Simple form	V-ing form
I must stroke you must stroke he must stroke we must stroke you must stroke they must stroke	I must be stroking you must be stroking he must be stroking we must be stroking you must be stroking they must be stroking
Perfect	V-ing perfect
I must have stroked you must have stroked he must have stroked we must have stroked you must have stroked they must have stroked	I must have been stroking you must have been stroking he must have been stroking we must have been stroking you must have been stroking they must have been stroking

Negation

Simple form	V-ing form
I must not stroke you must not stroke he must not stroke we must not stroke you must not stroke they must not stroke	I must not be stroking you must not be stroking he must not be stroking we must not be stroking you must not be stroking they must not be stroking
Perfect	V-ing perfect
I must not have stroked you must not have stroked he must not have stroked we must not have stroked you must not have stroked they must not have stroked	I must not have been stroking you must not have been stroking he must not have been stroking we must not have been stroking you must not have been stroking they must not have been stroking

Interrogative form

Simple form	V-ing form
must I stroke? must you stroke? must he stroke? must we stroke? must you stroke? must they stroke?	must I be stroking? must you be stroking? must he be stroking? must we be stroking? must you be stroking? must they be stroking?
Perfect	V-ing perfect
must I have stroked? must you have stroked? must he have stroked? must we have stroked? must you have stroked? must they have stroked?	must I have been stroking? must you have been stroking? must he have been stroking? must we have been stroking? must you have been stroking? must they have been stroking?

Interro-negative form

Simple form	V-ing form
must I not stroke? must you not stroke? must he not stroke? must we not stroke? must you not stroke? must they not stroke?	must I not be stroking? must you not be stroking? must he not be stroking? must we not be stroking? must you not be stroking? must they not be stroking?
Perfect	V-ing perfect
must I not have stroked? must you not have stroked? must he not have stroked? must we not have stroked? must you not have stroked? must they not have stroked?	must I not have been stroking? must you not have been stroking? must he not have been stroking? must we not have been stroking? must you not have been stroking? must they not have been stroking?