should suppose
Regular verb: suppose - supposed- supposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd suppose
you'd suppose
she'd suppose
we'd suppose
you'd suppose
they'd suppose 	I'd be supposing
you'd be supposing
she'd be supposing
we'd be supposing
you'd be supposing
they'd be supposing	I should've supposed
you should've supposed
she 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
she 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
she 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
she 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
she 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
she 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 she suppose?
should we suppose?
should you suppose?
should they suppose? 	should I be supposing?
should you be supposing?
should she be supposing?
should we be supposing?
should you be supposing?
should they be supposing? 	should I have supposed?
should you have supposed?
should she 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 she 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 she 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 she 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 she 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 she have been supposing?
shouldn't we have been supposing?
shouldn't you have been supposing?
shouldn't they have been supposing?