should unriddle
Regular verb: unriddle - unriddled- unriddled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd unriddle
you'd unriddle
he'd unriddle
we'd unriddle
you'd unriddle
they'd unriddle 	I'd be unriddling
you'd be unriddling
he'd be unriddling
we'd be unriddling
you'd be unriddling
they'd be unriddling	I should've unriddled
you should've unriddled
he should've unriddled
we should've unriddled
you should've unriddled
they should've unriddled	I should've been unriddling
you should've been unriddling
he should've been unriddling
we should've been unriddling
you should've been unriddling
they should've been unriddling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't unriddle
you shouldn't unriddle
he shouldn't unriddle
we shouldn't unriddle
you shouldn't unriddle
they shouldn't unriddle 	I shouldn't be unriddling
you shouldn't be unriddling
he shouldn't be unriddling
we shouldn't be unriddling
you shouldn't be unriddling
they shouldn't be unriddling	I shouldn't have unriddled
you shouldn't have unriddled
he shouldn't have unriddled
we shouldn't have unriddled
you shouldn't have unriddled
they shouldn't have unriddled	I shouldn't have been unriddling
you shouldn't have been unriddling
he shouldn't have been unriddling
we shouldn't have been unriddling
you shouldn't have been unriddling
they shouldn't have been unriddling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I unriddle?
should you unriddle?
should he unriddle?
should we unriddle?
should you unriddle?
should they unriddle? 	should I be unriddling?
should you be unriddling?
should he be unriddling?
should we be unriddling?
should you be unriddling?
should they be unriddling? 	should I have unriddled?
should you have unriddled?
should he have unriddled?
should we have unriddled?
should you have unriddled?
should they have unriddled? 	should I have been unriddling?
should you have been unriddling?
should he have been unriddling?
should we have been unriddling?
should you have been unriddling?
should they have been unriddling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I unriddle?
shouldn't you unriddle?
shouldn't he unriddle?
shouldn't we unriddle?
shouldn't you unriddle?
shouldn't they unriddle? 	shouldn't I be unriddling?
shouldn't you be unriddling?
shouldn't he be unriddling?
shouldn't we be unriddling?
shouldn't you be unriddling?
shouldn't they be unriddling? 	shouldn't I have unriddled?
shouldn't you have unriddled?
shouldn't he have unriddled?
shouldn't we have unriddled?
shouldn't you have unriddled?
shouldn't they have unriddled? 	shouldn't I have been unriddling?
shouldn't you have been unriddling?
shouldn't he have been unriddling?
shouldn't we have been unriddling?
shouldn't you have been unriddling?
shouldn't they have been unriddling?