English verb conjugation
COULD CAW

Regular verb: caw - cawed - cawed

Affirmation

Simple form	V-ing form
I could caw you could caw he could caw we could caw you could caw they could caw	I could be cawing you could be cawing he could be cawing we could be cawing you could be cawing they could be cawing
Perfect	V-ing perfect
I could have cawed you could have cawed he could have cawed we could have cawed you could have cawed they could have cawed	I could have been cawing you could have been cawing he could have been cawing we could have been cawing you could have been cawing they could have been cawing

Negation

Simple form	V-ing form
I couldn't caw you couldn't caw he couldn't caw we couldn't caw you couldn't caw they couldn't caw	I couldn't be cawing you couldn't be cawing he couldn't be cawing we couldn't be cawing you couldn't be cawing they couldn't be cawing
Perfect	V-ing perfect
I couldn't have cawed you couldn't have cawed he couldn't have cawed we couldn't have cawed you couldn't have cawed they couldn't have cawed	I couldn't have been cawing you couldn't have been cawing he couldn't have been cawing we couldn't have been cawing you couldn't have been cawing they couldn't have been cawing

Interrogative form

Simple form	V-ing form
could I caw? could you caw? could he caw? could we caw? could you caw? could they caw?	could I be cawing? could you be cawing? could he be cawing? could we be cawing? could you be cawing? could they be cawing?
Perfect	V-ing perfect
could I have cawed? could you have cawed? could he have cawed? could we have cawed? could you have cawed? could they have cawed?	could I have been cawing? could you have been cawing? could he have been cawing? could we have been cawing? could you have been cawing? could they have been cawing?

Interro-negative form

Simple form	V-ing form
couldn't I caw? couldn't you caw? couldn't he caw? couldn't we caw? couldn't you caw? couldn't they caw?	couldn't I be cawing? couldn't you be cawing? couldn't he be cawing? couldn't we be cawing? couldn't you be cawing? couldn't they be cawing?
Perfect	V-ing perfect
couldn't I have cawed? couldn't you have cawed? couldn't he have cawed? couldn't we have cawed? couldn't you have cawed? couldn't they have cawed?	couldn't I have been cawing? couldn't you have been cawing? couldn't he have been cawing? couldn't we have been cawing? couldn't you have been cawing? couldn't they have been cawing?