must stonewash
Regular verb: stonewash - stonewashed- stonewashed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must stonewash
you must stonewash
he must stonewash
we must stonewash
you must stonewash
they must stonewash 	I must be stonewashing
you must be stonewashing
he must be stonewashing
we must be stonewashing
you must be stonewashing
they must be stonewashing	I must have stonewashed
you must have stonewashed
he must have stonewashed
we must have stonewashed
you must have stonewashed
they must have stonewashed	I must have been stonewashing
you must have been stonewashing
he must have been stonewashing
we must have been stonewashing
you must have been stonewashing
they must have been stonewashing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not stonewash
you must not stonewash
he must not stonewash
we must not stonewash
you must not stonewash
they must not stonewash 	I must not be stonewashing
you must not be stonewashing
he must not be stonewashing
we must not be stonewashing
you must not be stonewashing
they must not be stonewashing	I must not have stonewashed
you must not have stonewashed
he must not have stonewashed
we must not have stonewashed
you must not have stonewashed
they must not have stonewashed	I must not have been stonewashing
you must not have been stonewashing
he must not have been stonewashing
we must not have been stonewashing
you must not have been stonewashing
they must not have been stonewashing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I stonewash?
must you stonewash?
must he stonewash?
must we stonewash?
must you stonewash?
must they stonewash? 	must I be stonewashing?
must you be stonewashing?
must he be stonewashing?
must we be stonewashing?
must you be stonewashing?
must they be stonewashing? 	must I have stonewashed?
must you have stonewashed?
must he have stonewashed?
must we have stonewashed?
must you have stonewashed?
must they have stonewashed? 	must I have been stonewashing?
must you have been stonewashing?
must he have been stonewashing?
must we have been stonewashing?
must you have been stonewashing?
must they have been stonewashing? 	

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