English verb conjugation
COULD CANAL

Regular verb: canal - canaled - canaled

Affirmation

Simple form	V-ing form
I could canal you could canal she could canal we could canal you could canal they could canal	I could be canaling you could be canaling she could be canaling we could be canaling you could be canaling they could be canaling
Perfect	V-ing perfect
I could have canaled you could have canaled she could have canaled we could have canaled you could have canaled they could have canaled	I could have been canaling you could have been canaling she could have been canaling we could have been canaling you could have been canaling they could have been canaling

Negation

Simple form	V-ing form
I couldn't canal you couldn't canal she couldn't canal we couldn't canal you couldn't canal they couldn't canal	I couldn't be canaling you couldn't be canaling she couldn't be canaling we couldn't be canaling you couldn't be canaling they couldn't be canaling
Perfect	V-ing perfect
I couldn't have canaled you couldn't have canaled she couldn't have canaled we couldn't have canaled you couldn't have canaled they couldn't have canaled	I couldn't have been canaling you couldn't have been canaling she couldn't have been canaling we couldn't have been canaling you couldn't have been canaling they couldn't have been canaling

Interrogative form

Simple form	V-ing form
could I canal? could you canal? could she canal? could we canal? could you canal? could they canal?	could I be canaling? could you be canaling? could she be canaling? could we be canaling? could you be canaling? could they be canaling?
Perfect	V-ing perfect
could I have canaled? could you have canaled? could she have canaled? could we have canaled? could you have canaled? could they have canaled?	could I have been canaling? could you have been canaling? could she have been canaling? could we have been canaling? could you have been canaling? could they have been canaling?

Interro-negative form

Simple form	V-ing form
couldn't I canal? couldn't you canal? couldn't she canal? couldn't we canal? couldn't you canal? couldn't they canal?	couldn't I be canaling? couldn't you be canaling? couldn't she be canaling? couldn't we be canaling? couldn't you be canaling? couldn't they be canaling?
Perfect	V-ing perfect
couldn't I have canaled? couldn't you have canaled? couldn't she have canaled? couldn't we have canaled? couldn't you have canaled? couldn't they have canaled?	couldn't I have been canaling? couldn't you have been canaling? couldn't she have been canaling? couldn't we have been canaling? couldn't you have been canaling? couldn't they have been canaling?