should prune
Regular verb: prune - pruned- pruned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd prune
you'd prune
he'd prune
we'd prune
you'd prune
they'd prune 	I'd be pruning
you'd be pruning
he'd be pruning
we'd be pruning
you'd be pruning
they'd be pruning	I should've pruned
you should've pruned
he 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
he 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
he 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
he 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
he 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
he 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 he prune?
should we prune?
should you prune?
should they prune? 	should I be pruning?
should you be pruning?
should he be pruning?
should we be pruning?
should you be pruning?
should they be pruning? 	should I have pruned?
should you have pruned?
should he 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 he 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 he 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 he 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 he 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 he have been pruning?
shouldn't we have been pruning?
shouldn't you have been pruning?
shouldn't they have been pruning?