English verb conjugation
COULD CHOP

Regular verb: chop - chopped - chopped

Affirmation

Simple form	V-ing form
I could chop you could chop he could chop we could chop you could chop they could chop	I could be chopping you could be chopping he could be chopping we could be chopping you could be chopping they could be chopping
Perfect	V-ing perfect
I could have chopped you could have chopped he could have chopped we could have chopped you could have chopped they could have chopped	I could have been chopping you could have been chopping he could have been chopping we could have been chopping you could have been chopping they could have been chopping

Negation

Simple form	V-ing form
I could not chop you could not chop he could not chop we could not chop you could not chop they could not chop	I could not be chopping you could not be chopping he could not be chopping we could not be chopping you could not be chopping they could not be chopping
Perfect	V-ing perfect
I could not have chopped you could not have chopped he could not have chopped we could not have chopped you could not have chopped they could not have chopped	I could not have been chopping you could not have been chopping he could not have been chopping we could not have been chopping you could not have been chopping they could not have been chopping

Interrogative form

Simple form	V-ing form
could I chop? could you chop? could he chop? could we chop? could you chop? could they chop?	could I be chopping? could you be chopping? could he be chopping? could we be chopping? could you be chopping? could they be chopping?
Perfect	V-ing perfect
could I have chopped? could you have chopped? could he have chopped? could we have chopped? could you have chopped? could they have chopped?	could I have been chopping? could you have been chopping? could he have been chopping? could we have been chopping? could you have been chopping? could they have been chopping?

Interro-negative form

Simple form	V-ing form
could I not chop? could you not chop? could he not chop? could we not chop? could you not chop? could they not chop?	could I not be chopping? could you not be chopping? could he not be chopping? could we not be chopping? could you not be chopping? could they not be chopping?
Perfect	V-ing perfect
could I not have chopped? could you not have chopped? could he not have chopped? could we not have chopped? could you not have chopped? could they not have chopped?	could I not have been chopping? could you not have been chopping? could he not have been chopping? could we not have been chopping? could you not have been chopping? could they not have been chopping?