English verb conjugation
COULD CULL

Regular verb: cull - culled - culled

Affirmation

Simple form	V-ing form
I could cull you could cull she could cull we could cull you could cull they could cull	I could be culling you could be culling she could be culling we could be culling you could be culling they could be culling
Perfect	V-ing perfect
I could have culled you could have culled she could have culled we could have culled you could have culled they could have culled	I could have been culling you could have been culling she could have been culling we could have been culling you could have been culling they could have been culling

Negation

Simple form	V-ing form
I could not cull you could not cull she could not cull we could not cull you could not cull they could not cull	I could not be culling you could not be culling she could not be culling we could not be culling you could not be culling they could not be culling
Perfect	V-ing perfect
I could not have culled you could not have culled she could not have culled we could not have culled you could not have culled they could not have culled	I could not have been culling you could not have been culling she could not have been culling we could not have been culling you could not have been culling they could not have been culling

Interrogative form

Simple form	V-ing form
could I cull? could you cull? could she cull? could we cull? could you cull? could they cull?	could I be culling? could you be culling? could she be culling? could we be culling? could you be culling? could they be culling?
Perfect	V-ing perfect
could I have culled? could you have culled? could she have culled? could we have culled? could you have culled? could they have culled?	could I have been culling? could you have been culling? could she have been culling? could we have been culling? could you have been culling? could they have been culling?

Interro-negative form

Simple form	V-ing form
could I not cull? could you not cull? could she not cull? could we not cull? could you not cull? could they not cull?	could I not be culling? could you not be culling? could she not be culling? could we not be culling? could you not be culling? could they not be culling?
Perfect	V-ing perfect
could I not have culled? could you not have culled? could she not have culled? could we not have culled? could you not have culled? could they not have culled?	could I not have been culling? could you not have been culling? could she not have been culling? could we not have been culling? could you not have been culling? could they not have been culling?