must handwash
Regular verb: handwash - handwashed- handwashed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must handwash
you must handwash
he must handwash
we must handwash
you must handwash
they must handwash 	I must be handwashing
you must be handwashing
he must be handwashing
we must be handwashing
you must be handwashing
they must be handwashing	I must have handwashed
you must have handwashed
he must have handwashed
we must have handwashed
you must have handwashed
they must have handwashed	I must have been handwashing
you must have been handwashing
he must have been handwashing
we must have been handwashing
you must have been handwashing
they must have been handwashing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't handwash
you mustn't handwash
he mustn't handwash
we mustn't handwash
you mustn't handwash
they mustn't handwash 	I mustn't be handwashing
you mustn't be handwashing
he mustn't be handwashing
we mustn't be handwashing
you mustn't be handwashing
they mustn't be handwashing	I mustn't have handwashed
you mustn't have handwashed
he mustn't have handwashed
we mustn't have handwashed
you mustn't have handwashed
they mustn't have handwashed	I mustn't have been handwashing
you mustn't have been handwashing
he mustn't have been handwashing
we mustn't have been handwashing
you mustn't have been handwashing
they mustn't have been handwashing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I handwash?
must you handwash?
must he handwash?
must we handwash?
must you handwash?
must they handwash? 	must I be handwashing?
must you be handwashing?
must he be handwashing?
must we be handwashing?
must you be handwashing?
must they be handwashing? 	must I have handwashed?
must you have handwashed?
must he have handwashed?
must we have handwashed?
must you have handwashed?
must they have handwashed? 	must I have been handwashing?
must you have been handwashing?
must he have been handwashing?
must we have been handwashing?
must you have been handwashing?
must they have been handwashing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I handwash?
mustn't you handwash?
mustn't he handwash?
mustn't we handwash?
mustn't you handwash?
mustn't they handwash? 	mustn't I be handwashing?
mustn't you be handwashing?
mustn't he be handwashing?
mustn't we be handwashing?
mustn't you be handwashing?
mustn't they be handwashing? 	mustn't I have handwashed?
mustn't you have handwashed?
mustn't he have handwashed?
mustn't we have handwashed?
mustn't you have handwashed?
mustn't they have handwashed? 	mustn't I have been handwashing?
mustn't you have been handwashing?
mustn't he have been handwashing?
mustn't we have been handwashing?
mustn't you have been handwashing?
mustn't they have been handwashing?