should mash
Regular verb: mash - mashed- mashed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd mash
you'd mash
he'd mash
we'd mash
you'd mash
they'd mash 	I'd be mashing
you'd be mashing
he'd be mashing
we'd be mashing
you'd be mashing
they'd be mashing	I should've mashed
you should've mashed
he should've mashed
we should've mashed
you should've mashed
they should've mashed	I should've been mashing
you should've been mashing
he should've been mashing
we should've been mashing
you should've been mashing
they should've been mashing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't mash
you shouldn't mash
he shouldn't mash
we shouldn't mash
you shouldn't mash
they shouldn't mash 	I shouldn't be mashing
you shouldn't be mashing
he shouldn't be mashing
we shouldn't be mashing
you shouldn't be mashing
they shouldn't be mashing	I shouldn't have mashed
you shouldn't have mashed
he shouldn't have mashed
we shouldn't have mashed
you shouldn't have mashed
they shouldn't have mashed	I shouldn't have been mashing
you shouldn't have been mashing
he shouldn't have been mashing
we shouldn't have been mashing
you shouldn't have been mashing
they shouldn't have been mashing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I mash?
should you mash?
should he mash?
should we mash?
should you mash?
should they mash? 	should I be mashing?
should you be mashing?
should he be mashing?
should we be mashing?
should you be mashing?
should they be mashing? 	should I have mashed?
should you have mashed?
should he have mashed?
should we have mashed?
should you have mashed?
should they have mashed? 	should I have been mashing?
should you have been mashing?
should he have been mashing?
should we have been mashing?
should you have been mashing?
should they have been mashing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I mash?
shouldn't you mash?
shouldn't he mash?
shouldn't we mash?
shouldn't you mash?
shouldn't they mash? 	shouldn't I be mashing?
shouldn't you be mashing?
shouldn't he be mashing?
shouldn't we be mashing?
shouldn't you be mashing?
shouldn't they be mashing? 	shouldn't I have mashed?
shouldn't you have mashed?
shouldn't he have mashed?
shouldn't we have mashed?
shouldn't you have mashed?
shouldn't they have mashed? 	shouldn't I have been mashing?
shouldn't you have been mashing?
shouldn't he have been mashing?
shouldn't we have been mashing?
shouldn't you have been mashing?
shouldn't they have been mashing?