can leash
Regular verb: leash - leashed- leashed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can leash
you can leash
he can leash
we can leash
you can leash
they can leash 	I can be leashing
you can be leashing
he can be leashing
we can be leashing
you can be leashing
they can be leashing	I can have leashed
you can have leashed
he can have leashed
we can have leashed
you can have leashed
they can have leashed	I can have been leashing
you can have been leashing
he can have been leashing
we can have been leashing
you can have been leashing
they can have been leashing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't leash
you can't leash
he can't leash
we can't leash
you can't leash
they can't leash 	I can't be leashing
you can't be leashing
he can't be leashing
we can't be leashing
you can't be leashing
they can't be leashing	I can't have leashed
you can't have leashed
he can't have leashed
we can't have leashed
you can't have leashed
they can't have leashed	I can't have been leashing
you can't have been leashing
he can't have been leashing
we can't have been leashing
you can't have been leashing
they can't have been leashing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I leash?
can you leash?
can he leash?
can we leash?
can you leash?
can they leash? 	can I be leashing?
can you be leashing?
can he be leashing?
can we be leashing?
can you be leashing?
can they be leashing? 	can I have leashed?
can you have leashed?
can he have leashed?
can we have leashed?
can you have leashed?
can they have leashed? 	can I have been leashing?
can you have been leashing?
can he have been leashing?
can we have been leashing?
can you have been leashing?
can they have been leashing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I leash?
can't you leash?
can't he leash?
can't we leash?
can't you leash?
can't they leash? 	can't I be leashing?
can't you be leashing?
can't he be leashing?
can't we be leashing?
can't you be leashing?
can't they be leashing? 	can't I have leashed?
can't you have leashed?
can't he have leashed?
can't we have leashed?
can't you have leashed?
can't they have leashed? 	can't I have been leashing?
can't you have been leashing?
can't he have been leashing?
can't we have been leashing?
can't you have been leashing?
can't they have been leashing?