should suppose
Regular verb: suppose - supposed- supposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd suppose
you'd suppose
he'd suppose
we'd suppose
you'd suppose
they'd suppose 	I'd be supposing
you'd be supposing
he'd be supposing
we'd be supposing
you'd be supposing
they'd be supposing	I should've supposed
you should've supposed
he should've supposed
we should've supposed
you should've supposed
they should've supposed	I should've been supposing
you should've been supposing
he should've been supposing
we should've been supposing
you should've been supposing
they should've been supposing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't suppose
you shouldn't suppose
he shouldn't suppose
we shouldn't suppose
you shouldn't suppose
they shouldn't suppose 	I shouldn't be supposing
you shouldn't be supposing
he shouldn't be supposing
we shouldn't be supposing
you shouldn't be supposing
they shouldn't be supposing	I shouldn't have supposed
you shouldn't have supposed
he shouldn't have supposed
we shouldn't have supposed
you shouldn't have supposed
they shouldn't have supposed	I shouldn't have been supposing
you shouldn't have been supposing
he shouldn't have been supposing
we shouldn't have been supposing
you shouldn't have been supposing
they shouldn't have been supposing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I suppose?
should you suppose?
should he suppose?
should we suppose?
should you suppose?
should they suppose? 	should I be supposing?
should you be supposing?
should he be supposing?
should we be supposing?
should you be supposing?
should they be supposing? 	should I have supposed?
should you have supposed?
should he have supposed?
should we have supposed?
should you have supposed?
should they have supposed? 	should I have been supposing?
should you have been supposing?
should he have been supposing?
should we have been supposing?
should you have been supposing?
should they have been supposing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I suppose?
shouldn't you suppose?
shouldn't he suppose?
shouldn't we suppose?
shouldn't you suppose?
shouldn't they suppose? 	shouldn't I be supposing?
shouldn't you be supposing?
shouldn't he be supposing?
shouldn't we be supposing?
shouldn't you be supposing?
shouldn't they be supposing? 	shouldn't I have supposed?
shouldn't you have supposed?
shouldn't he have supposed?
shouldn't we have supposed?
shouldn't you have supposed?
shouldn't they have supposed? 	shouldn't I have been supposing?
shouldn't you have been supposing?
shouldn't he have been supposing?
shouldn't we have been supposing?
shouldn't you have been supposing?
shouldn't they have been supposing?