English verb conjugation
MUST TOUCH

Regular verb: touch - touched - touched

Affirmation

Simple form	V-ing form
I must touch you must touch he must touch we must touch you must touch they must touch	I must be touching you must be touching he must be touching we must be touching you must be touching they must be touching
Perfect	V-ing perfect
I must have touched you must have touched he must have touched we must have touched you must have touched they must have touched	I must have been touching you must have been touching he must have been touching we must have been touching you must have been touching they must have been touching

Negation

Simple form	V-ing form
I must not touch you must not touch he must not touch we must not touch you must not touch they must not touch	I must not be touching you must not be touching he must not be touching we must not be touching you must not be touching they must not be touching
Perfect	V-ing perfect
I must not have touched you must not have touched he must not have touched we must not have touched you must not have touched they must not have touched	I must not have been touching you must not have been touching he must not have been touching we must not have been touching you must not have been touching they must not have been touching

Interrogative form

Simple form	V-ing form
must I touch? must you touch? must he touch? must we touch? must you touch? must they touch?	must I be touching? must you be touching? must he be touching? must we be touching? must you be touching? must they be touching?
Perfect	V-ing perfect
must I have touched? must you have touched? must he have touched? must we have touched? must you have touched? must they have touched?	must I have been touching? must you have been touching? must he have been touching? must we have been touching? must you have been touching? must they have been touching?

Interro-negative form

Simple form	V-ing form
must I not touch? must you not touch? must he not touch? must we not touch? must you not touch? must they not touch?	must I not be touching? must you not be touching? must he not be touching? must we not be touching? must you not be touching? must they not be touching?
Perfect	V-ing perfect
must I not have touched? must you not have touched? must he not have touched? must we not have touched? must you not have touched? must they not have touched?	must I not have been touching? must you not have been touching? must he not have been touching? must we not have been touching? must you not have been touching? must they not have been touching?