should prune
Regular verb: prune - pruned- pruned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd prune
you'd prune
she'd prune
we'd prune
you'd prune
they'd prune 	I'd be pruning
you'd be pruning
she'd be pruning
we'd be pruning
you'd be pruning
they'd be pruning	I should've pruned
you should've pruned
she should've pruned
we should've pruned
you should've pruned
they should've pruned	I should've been pruning
you should've been pruning
she should've been pruning
we should've been pruning
you should've been pruning
they should've been pruning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't prune
you shouldn't prune
she shouldn't prune
we shouldn't prune
you shouldn't prune
they shouldn't prune 	I shouldn't be pruning
you shouldn't be pruning
she shouldn't be pruning
we shouldn't be pruning
you shouldn't be pruning
they shouldn't be pruning	I shouldn't have pruned
you shouldn't have pruned
she shouldn't have pruned
we shouldn't have pruned
you shouldn't have pruned
they shouldn't have pruned	I shouldn't have been pruning
you shouldn't have been pruning
she shouldn't have been pruning
we shouldn't have been pruning
you shouldn't have been pruning
they shouldn't have been pruning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I prune?
should you prune?
should she prune?
should we prune?
should you prune?
should they prune? 	should I be pruning?
should you be pruning?
should she be pruning?
should we be pruning?
should you be pruning?
should they be pruning? 	should I have pruned?
should you have pruned?
should she have pruned?
should we have pruned?
should you have pruned?
should they have pruned? 	should I have been pruning?
should you have been pruning?
should she have been pruning?
should we have been pruning?
should you have been pruning?
should they have been pruning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I prune?
shouldn't you prune?
shouldn't she prune?
shouldn't we prune?
shouldn't you prune?
shouldn't they prune? 	shouldn't I be pruning?
shouldn't you be pruning?
shouldn't she be pruning?
shouldn't we be pruning?
shouldn't you be pruning?
shouldn't they be pruning? 	shouldn't I have pruned?
shouldn't you have pruned?
shouldn't she have pruned?
shouldn't we have pruned?
shouldn't you have pruned?
shouldn't they have pruned? 	shouldn't I have been pruning?
shouldn't you have been pruning?
shouldn't she have been pruning?
shouldn't we have been pruning?
shouldn't you have been pruning?
shouldn't they have been pruning?