should sponge
Regular verb: sponge - sponged- sponged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd sponge
you'd sponge
she'd sponge
we'd sponge
you'd sponge
they'd sponge 	I'd be sponging
you'd be sponging
she'd be sponging
we'd be sponging
you'd be sponging
they'd be sponging	I should've sponged
you should've sponged
she should've sponged
we should've sponged
you should've sponged
they should've sponged	I should've been sponging
you should've been sponging
she should've been sponging
we should've been sponging
you should've been sponging
they should've been sponging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't sponge
you shouldn't sponge
she shouldn't sponge
we shouldn't sponge
you shouldn't sponge
they shouldn't sponge 	I shouldn't be sponging
you shouldn't be sponging
she shouldn't be sponging
we shouldn't be sponging
you shouldn't be sponging
they shouldn't be sponging	I shouldn't have sponged
you shouldn't have sponged
she shouldn't have sponged
we shouldn't have sponged
you shouldn't have sponged
they shouldn't have sponged	I shouldn't have been sponging
you shouldn't have been sponging
she shouldn't have been sponging
we shouldn't have been sponging
you shouldn't have been sponging
they shouldn't have been sponging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I sponge?
should you sponge?
should she sponge?
should we sponge?
should you sponge?
should they sponge? 	should I be sponging?
should you be sponging?
should she be sponging?
should we be sponging?
should you be sponging?
should they be sponging? 	should I have sponged?
should you have sponged?
should she have sponged?
should we have sponged?
should you have sponged?
should they have sponged? 	should I have been sponging?
should you have been sponging?
should she have been sponging?
should we have been sponging?
should you have been sponging?
should they have been sponging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I sponge?
shouldn't you sponge?
shouldn't she sponge?
shouldn't we sponge?
shouldn't you sponge?
shouldn't they sponge? 	shouldn't I be sponging?
shouldn't you be sponging?
shouldn't she be sponging?
shouldn't we be sponging?
shouldn't you be sponging?
shouldn't they be sponging? 	shouldn't I have sponged?
shouldn't you have sponged?
shouldn't she have sponged?
shouldn't we have sponged?
shouldn't you have sponged?
shouldn't they have sponged? 	shouldn't I have been sponging?
shouldn't you have been sponging?
shouldn't she have been sponging?
shouldn't we have been sponging?
shouldn't you have been sponging?
shouldn't they have been sponging?