must touch
Regular verb: touch - touched- touched

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