must stash
Regular verb: stash - stashed- stashed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must stash
you must stash
she must stash
we must stash
you must stash
they must stash 	I must be stashing
you must be stashing
she must be stashing
we must be stashing
you must be stashing
they must be stashing	I must have stashed
you must have stashed
she must have stashed
we must have stashed
you must have stashed
they must have stashed	I must have been stashing
you must have been stashing
she must have been stashing
we must have been stashing
you must have been stashing
they must have been stashing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't stash
you mustn't stash
she mustn't stash
we mustn't stash
you mustn't stash
they mustn't stash 	I mustn't be stashing
you mustn't be stashing
she mustn't be stashing
we mustn't be stashing
you mustn't be stashing
they mustn't be stashing	I mustn't have stashed
you mustn't have stashed
she mustn't have stashed
we mustn't have stashed
you mustn't have stashed
they mustn't have stashed	I mustn't have been stashing
you mustn't have been stashing
she mustn't have been stashing
we mustn't have been stashing
you mustn't have been stashing
they mustn't have been stashing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I stash?
must you stash?
must she stash?
must we stash?
must you stash?
must they stash? 	must I be stashing?
must you be stashing?
must she be stashing?
must we be stashing?
must you be stashing?
must they be stashing? 	must I have stashed?
must you have stashed?
must she have stashed?
must we have stashed?
must you have stashed?
must they have stashed? 	must I have been stashing?
must you have been stashing?
must she have been stashing?
must we have been stashing?
must you have been stashing?
must they have been stashing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I stash?
mustn't you stash?
mustn't she stash?
mustn't we stash?
mustn't you stash?
mustn't they stash? 	mustn't I be stashing?
mustn't you be stashing?
mustn't she be stashing?
mustn't we be stashing?
mustn't you be stashing?
mustn't they be stashing? 	mustn't I have stashed?
mustn't you have stashed?
mustn't she have stashed?
mustn't we have stashed?
mustn't you have stashed?
mustn't they have stashed? 	mustn't I have been stashing?
mustn't you have been stashing?
mustn't she have been stashing?
mustn't we have been stashing?
mustn't you have been stashing?
mustn't they have been stashing?