should picnic
Regular verb: picnic - picniced- picniced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd picnic
you'd picnic
he'd picnic
we'd picnic
you'd picnic
they'd picnic 	I'd be picnicing
you'd be picnicing
he'd be picnicing
we'd be picnicing
you'd be picnicing
they'd be picnicing	I should've picniced
you should've picniced
he should've picniced
we should've picniced
you should've picniced
they should've picniced	I should've been picnicing
you should've been picnicing
he should've been picnicing
we should've been picnicing
you should've been picnicing
they should've been picnicing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't picnic
you shouldn't picnic
he shouldn't picnic
we shouldn't picnic
you shouldn't picnic
they shouldn't picnic 	I shouldn't be picnicing
you shouldn't be picnicing
he shouldn't be picnicing
we shouldn't be picnicing
you shouldn't be picnicing
they shouldn't be picnicing	I shouldn't have picniced
you shouldn't have picniced
he shouldn't have picniced
we shouldn't have picniced
you shouldn't have picniced
they shouldn't have picniced	I shouldn't have been picnicing
you shouldn't have been picnicing
he shouldn't have been picnicing
we shouldn't have been picnicing
you shouldn't have been picnicing
they shouldn't have been picnicing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I picnic?
should you picnic?
should he picnic?
should we picnic?
should you picnic?
should they picnic? 	should I be picnicing?
should you be picnicing?
should he be picnicing?
should we be picnicing?
should you be picnicing?
should they be picnicing? 	should I have picniced?
should you have picniced?
should he have picniced?
should we have picniced?
should you have picniced?
should they have picniced? 	should I have been picnicing?
should you have been picnicing?
should he have been picnicing?
should we have been picnicing?
should you have been picnicing?
should they have been picnicing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I picnic?
shouldn't you picnic?
shouldn't he picnic?
shouldn't we picnic?
shouldn't you picnic?
shouldn't they picnic? 	shouldn't I be picnicing?
shouldn't you be picnicing?
shouldn't he be picnicing?
shouldn't we be picnicing?
shouldn't you be picnicing?
shouldn't they be picnicing? 	shouldn't I have picniced?
shouldn't you have picniced?
shouldn't he have picniced?
shouldn't we have picniced?
shouldn't you have picniced?
shouldn't they have picniced? 	shouldn't I have been picnicing?
shouldn't you have been picnicing?
shouldn't he have been picnicing?
shouldn't we have been picnicing?
shouldn't you have been picnicing?
shouldn't they have been picnicing?