must wash
Regular verb: wash - washed- washed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must wash
you must wash
she must wash
we must wash
you must wash
they must wash 	I must be washing
you must be washing
she must be washing
we must be washing
you must be washing
they must be washing	I must have washed
you must have washed
she must have washed
we must have washed
you must have washed
they must have washed	I must have been washing
you must have been washing
she must have been washing
we must have been washing
you must have been washing
they must have been washing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't wash
you mustn't wash
she mustn't wash
we mustn't wash
you mustn't wash
they mustn't wash 	I mustn't be washing
you mustn't be washing
she mustn't be washing
we mustn't be washing
you mustn't be washing
they mustn't be washing	I mustn't have washed
you mustn't have washed
she mustn't have washed
we mustn't have washed
you mustn't have washed
they mustn't have washed	I mustn't have been washing
you mustn't have been washing
she mustn't have been washing
we mustn't have been washing
you mustn't have been washing
they mustn't have been washing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I wash?
must you wash?
must she wash?
must we wash?
must you wash?
must they wash? 	must I be washing?
must you be washing?
must she be washing?
must we be washing?
must you be washing?
must they be washing? 	must I have washed?
must you have washed?
must she have washed?
must we have washed?
must you have washed?
must they have washed? 	must I have been washing?
must you have been washing?
must she have been washing?
must we have been washing?
must you have been washing?
must they have been washing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I wash?
mustn't you wash?
mustn't she wash?
mustn't we wash?
mustn't you wash?
mustn't they wash? 	mustn't I be washing?
mustn't you be washing?
mustn't she be washing?
mustn't we be washing?
mustn't you be washing?
mustn't they be washing? 	mustn't I have washed?
mustn't you have washed?
mustn't she have washed?
mustn't we have washed?
mustn't you have washed?
mustn't they have washed? 	mustn't I have been washing?
mustn't you have been washing?
mustn't she have been washing?
mustn't we have been washing?
mustn't you have been washing?
mustn't they have been washing?