must preset
Irregular verb: preset - preset- preset

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must preset
you must preset
he must preset
we must preset
you must preset
they must preset 	I must be preseting
you must be preseting
he must be preseting
we must be preseting
you must be preseting
they must be preseting	I must have preset
you must have preset
he must have preset
we must have preset
you must have preset
they must have preset	I must have been preseting
you must have been preseting
he must have been preseting
we must have been preseting
you must have been preseting
they must have been preseting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not preset
you must not preset
he must not preset
we must not preset
you must not preset
they must not preset 	I must not be preseting
you must not be preseting
he must not be preseting
we must not be preseting
you must not be preseting
they must not be preseting	I must not have preset
you must not have preset
he must not have preset
we must not have preset
you must not have preset
they must not have preset	I must not have been preseting
you must not have been preseting
he must not have been preseting
we must not have been preseting
you must not have been preseting
they must not have been preseting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I preset?
must you preset?
must he preset?
must we preset?
must you preset?
must they preset? 	must I be preseting?
must you be preseting?
must he be preseting?
must we be preseting?
must you be preseting?
must they be preseting? 	must I have preset?
must you have preset?
must he have preset?
must we have preset?
must you have preset?
must they have preset? 	must I have been preseting?
must you have been preseting?
must he have been preseting?
must we have been preseting?
must you have been preseting?
must they have been preseting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not preset?
must you not preset?
must he not preset?
must we not preset?
must you not preset?
must they not preset? 	must I not be preseting?
must you not be preseting?
must he not be preseting?
must we not be preseting?
must you not be preseting?
must they not be preseting? 	must I not have preset?
must you not have preset?
must he not have preset?
must we not have preset?
must you not have preset?
must they not have preset? 	must I not have been preseting?
must you not have been preseting?
must he not have been preseting?
must we not have been preseting?
must you not have been preseting?
must they not have been preseting?