I'd be foresting you'd be foresting he'd be foresting we'd be foresting you'd be foresting they'd be foresting
Perfect
I should've forested you should've forested he should've forested we should've forested you should've forested they should've forested
V-ing perfect
I should've been foresting you should've been foresting he should've been foresting we should've been foresting you should've been foresting they should've been foresting
Negation
Simple form
I shouldn't forest you shouldn't forest he shouldn't forest we shouldn't forest you shouldn't forest they shouldn't forest
V-ing form
I shouldn't be foresting you shouldn't be foresting he shouldn't be foresting we shouldn't be foresting you shouldn't be foresting they shouldn't be foresting
Perfect
I shouldn't have forested you shouldn't have forested he shouldn't have forested we shouldn't have forested you shouldn't have forested they shouldn't have forested
V-ing perfect
I shouldn't have been foresting you shouldn't have been foresting he shouldn't have been foresting we shouldn't have been foresting you shouldn't have been foresting they shouldn't have been foresting
Interrogative form
Simple form
should I forest? should you forest? should he forest? should we forest? should you forest? should they forest?
V-ing form
should I be foresting? should you be foresting? should he be foresting? should we be foresting? should you be foresting? should they be foresting?
Perfect
should I have forested? should you have forested? should he have forested? should we have forested? should you have forested? should they have forested?
V-ing perfect
should I have been foresting? should you have been foresting? should he have been foresting? should we have been foresting? should you have been foresting? should they have been foresting?
Interro-negative form
Simple form
shouldn't I forest? shouldn't you forest? shouldn't he forest? shouldn't we forest? shouldn't you forest? shouldn't they forest?
V-ing form
shouldn't I be foresting? shouldn't you be foresting? shouldn't he be foresting? shouldn't we be foresting? shouldn't you be foresting? shouldn't they be foresting?
Perfect
shouldn't I have forested? shouldn't you have forested? shouldn't he have forested? shouldn't we have forested? shouldn't you have forested? shouldn't they have forested?
V-ing perfect
shouldn't I have been foresting? shouldn't you have been foresting? shouldn't he have been foresting? shouldn't we have been foresting? shouldn't you have been foresting? shouldn't they have been foresting?