can prune
Regular verb: prune - pruned- pruned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can prune
you can prune
he can prune
we can prune
you can prune
they can prune 	I can be pruning
you can be pruning
he can be pruning
we can be pruning
you can be pruning
they can be pruning	I can have pruned
you can have pruned
he can have pruned
we can have pruned
you can have pruned
they can have pruned	I can have been pruning
you can have been pruning
he can have been pruning
we can have been pruning
you can have been pruning
they can have been pruning	

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

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

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