can cull
Regular verb: cull - culled- culled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can cull
you can cull
he can cull
we can cull
you can cull
they can cull 	I can be culling
you can be culling
he can be culling
we can be culling
you can be culling
they can be culling	I can have culled
you can have culled
he can have culled
we can have culled
you can have culled
they can have culled	I can have been culling
you can have been culling
he can have been culling
we can have been culling
you can have been culling
they can have been culling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't cull
you can't cull
he can't cull
we can't cull
you can't cull
they can't cull 	I can't be culling
you can't be culling
he can't be culling
we can't be culling
you can't be culling
they can't be culling	I can't have culled
you can't have culled
he can't have culled
we can't have culled
you can't have culled
they can't have culled	I can't have been culling
you can't have been culling
he can't have been culling
we can't have been culling
you can't have been culling
they can't have been culling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I cull?
can you cull?
can he cull?
can we cull?
can you cull?
can they cull? 	can I be culling?
can you be culling?
can he be culling?
can we be culling?
can you be culling?
can they be culling? 	can I have culled?
can you have culled?
can he have culled?
can we have culled?
can you have culled?
can they have culled? 	can I have been culling?
can you have been culling?
can he have been culling?
can we have been culling?
can you have been culling?
can they have been culling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I cull?
can't you cull?
can't he cull?
can't we cull?
can't you cull?
can't they cull? 	can't I be culling?
can't you be culling?
can't he be culling?
can't we be culling?
can't you be culling?
can't they be culling? 	can't I have culled?
can't you have culled?
can't he have culled?
can't we have culled?
can't you have culled?
can't they have culled? 	can't I have been culling?
can't you have been culling?
can't he have been culling?
can't we have been culling?
can't you have been culling?
can't they have been culling?