English verb conjugation
SHOULD PICNIC

Regular verb: picnic - picniced - picniced

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?