English verb conjugation
MUST DISGUISE

Regular verb: disguise - disguised - disguised

Affirmation

Simple form	V-ing form
I must disguise you must disguise he must disguise we must disguise you must disguise they must disguise	I must be disguising you must be disguising he must be disguising we must be disguising you must be disguising they must be disguising
Perfect	V-ing perfect
I must have disguised you must have disguised he must have disguised we must have disguised you must have disguised they must have disguised	I must have been disguising you must have been disguising he must have been disguising we must have been disguising you must have been disguising they must have been disguising

Negation

Simple form	V-ing form
I must not disguise you must not disguise he must not disguise we must not disguise you must not disguise they must not disguise	I must not be disguising you must not be disguising he must not be disguising we must not be disguising you must not be disguising they must not be disguising
Perfect	V-ing perfect
I must not have disguised you must not have disguised he must not have disguised we must not have disguised you must not have disguised they must not have disguised	I must not have been disguising you must not have been disguising he must not have been disguising we must not have been disguising you must not have been disguising they must not have been disguising

Interrogative form

Simple form	V-ing form
must I disguise? must you disguise? must he disguise? must we disguise? must you disguise? must they disguise?	must I be disguising? must you be disguising? must he be disguising? must we be disguising? must you be disguising? must they be disguising?
Perfect	V-ing perfect
must I have disguised? must you have disguised? must he have disguised? must we have disguised? must you have disguised? must they have disguised?	must I have been disguising? must you have been disguising? must he have been disguising? must we have been disguising? must you have been disguising? must they have been disguising?

Interro-negative form

Simple form	V-ing form
must I not disguise? must you not disguise? must he not disguise? must we not disguise? must you not disguise? must they not disguise?	must I not be disguising? must you not be disguising? must he not be disguising? must we not be disguising? must you not be disguising? must they not be disguising?
Perfect	V-ing perfect
must I not have disguised? must you not have disguised? must he not have disguised? must we not have disguised? must you not have disguised? must they not have disguised?	must I not have been disguising? must you not have been disguising? must he not have been disguising? must we not have been disguising? must you not have been disguising? must they not have been disguising?