I should picnic you should picnic he should picnic we should picnic you should picnic they should picnic
V-ing form
I should be picnicing you should be picnicing he should be picnicing we should be picnicing you should be picnicing they should be picnicing
Perfect
I should have picniced you should have picniced he should have picniced we should have picniced you should have picniced they should have picniced
V-ing perfect
I should have been picnicing you should have been picnicing he should have been picnicing we should have been picnicing you should have been picnicing they should have been picnicing
Negation
Simple form
I should not picnic you should not picnic he should not picnic we should not picnic you should not picnic they should not picnic
V-ing form
I should not be picnicing you should not be picnicing he should not be picnicing we should not be picnicing you should not be picnicing they should not be picnicing
Perfect
I should not have picniced you should not have picniced he should not have picniced we should not have picniced you should not have picniced they should not have picniced
V-ing perfect
I should not have been picnicing you should not have been picnicing he should not have been picnicing we should not have been picnicing you should not have been picnicing they should not have been picnicing
Interrogative form
Simple form
should I picnic? should you picnic? should he picnic? should we picnic? should you picnic? should they picnic?
V-ing form
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
should I have picniced? should you have picniced? should he have picniced? should we have picniced? should you have picniced? should they have picniced?
V-ing perfect
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
should I not picnic? should you not picnic? should he not picnic? should we not picnic? should you not picnic? should they not picnic?
V-ing form
should I not be picnicing? should you not be picnicing? should he not be picnicing? should we not be picnicing? should you not be picnicing? should they not be picnicing?
Perfect
should I not have picniced? should you not have picniced? should he not have picniced? should we not have picniced? should you not have picniced? should they not have picniced?
V-ing perfect
should I not have been picnicing? should you not have been picnicing? should he not have been picnicing? should we not have been picnicing? should you not have been picnicing? should they not have been picnicing?