should unlatch
Regular verb: unlatch - unlatched- unlatched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd unlatch
you'd unlatch
he'd unlatch
we'd unlatch
you'd unlatch
they'd unlatch 	I'd be unlatching
you'd be unlatching
he'd be unlatching
we'd be unlatching
you'd be unlatching
they'd be unlatching	I should've unlatched
you should've unlatched
he should've unlatched
we should've unlatched
you should've unlatched
they should've unlatched	I should've been unlatching
you should've been unlatching
he should've been unlatching
we should've been unlatching
you should've been unlatching
they should've been unlatching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't unlatch
you shouldn't unlatch
he shouldn't unlatch
we shouldn't unlatch
you shouldn't unlatch
they shouldn't unlatch 	I shouldn't be unlatching
you shouldn't be unlatching
he shouldn't be unlatching
we shouldn't be unlatching
you shouldn't be unlatching
they shouldn't be unlatching	I shouldn't have unlatched
you shouldn't have unlatched
he shouldn't have unlatched
we shouldn't have unlatched
you shouldn't have unlatched
they shouldn't have unlatched	I shouldn't have been unlatching
you shouldn't have been unlatching
he shouldn't have been unlatching
we shouldn't have been unlatching
you shouldn't have been unlatching
they shouldn't have been unlatching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I unlatch?
should you unlatch?
should he unlatch?
should we unlatch?
should you unlatch?
should they unlatch? 	should I be unlatching?
should you be unlatching?
should he be unlatching?
should we be unlatching?
should you be unlatching?
should they be unlatching? 	should I have unlatched?
should you have unlatched?
should he have unlatched?
should we have unlatched?
should you have unlatched?
should they have unlatched? 	should I have been unlatching?
should you have been unlatching?
should he have been unlatching?
should we have been unlatching?
should you have been unlatching?
should they have been unlatching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I unlatch?
shouldn't you unlatch?
shouldn't he unlatch?
shouldn't we unlatch?
shouldn't you unlatch?
shouldn't they unlatch? 	shouldn't I be unlatching?
shouldn't you be unlatching?
shouldn't he be unlatching?
shouldn't we be unlatching?
shouldn't you be unlatching?
shouldn't they be unlatching? 	shouldn't I have unlatched?
shouldn't you have unlatched?
shouldn't he have unlatched?
shouldn't we have unlatched?
shouldn't you have unlatched?
shouldn't they have unlatched? 	shouldn't I have been unlatching?
shouldn't you have been unlatching?
shouldn't he have been unlatching?
shouldn't we have been unlatching?
shouldn't you have been unlatching?
shouldn't they have been unlatching?