should trailer
Regular verb: trailer - trailered- trailered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd trailer
you'd trailer
he'd trailer
we'd trailer
you'd trailer
they'd trailer 	I'd be trailering
you'd be trailering
he'd be trailering
we'd be trailering
you'd be trailering
they'd be trailering	I should've trailered
you should've trailered
he should've trailered
we should've trailered
you should've trailered
they should've trailered	I should've been trailering
you should've been trailering
he should've been trailering
we should've been trailering
you should've been trailering
they should've been trailering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't trailer
you shouldn't trailer
he shouldn't trailer
we shouldn't trailer
you shouldn't trailer
they shouldn't trailer 	I shouldn't be trailering
you shouldn't be trailering
he shouldn't be trailering
we shouldn't be trailering
you shouldn't be trailering
they shouldn't be trailering	I shouldn't have trailered
you shouldn't have trailered
he shouldn't have trailered
we shouldn't have trailered
you shouldn't have trailered
they shouldn't have trailered	I shouldn't have been trailering
you shouldn't have been trailering
he shouldn't have been trailering
we shouldn't have been trailering
you shouldn't have been trailering
they shouldn't have been trailering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I trailer?
should you trailer?
should he trailer?
should we trailer?
should you trailer?
should they trailer? 	should I be trailering?
should you be trailering?
should he be trailering?
should we be trailering?
should you be trailering?
should they be trailering? 	should I have trailered?
should you have trailered?
should he have trailered?
should we have trailered?
should you have trailered?
should they have trailered? 	should I have been trailering?
should you have been trailering?
should he have been trailering?
should we have been trailering?
should you have been trailering?
should they have been trailering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I trailer?
shouldn't you trailer?
shouldn't he trailer?
shouldn't we trailer?
shouldn't you trailer?
shouldn't they trailer? 	shouldn't I be trailering?
shouldn't you be trailering?
shouldn't he be trailering?
shouldn't we be trailering?
shouldn't you be trailering?
shouldn't they be trailering? 	shouldn't I have trailered?
shouldn't you have trailered?
shouldn't he have trailered?
shouldn't we have trailered?
shouldn't you have trailered?
shouldn't they have trailered? 	shouldn't I have been trailering?
shouldn't you have been trailering?
shouldn't he have been trailering?
shouldn't we have been trailering?
shouldn't you have been trailering?
shouldn't they have been trailering?