English verb conjugation
COULD HAW

Regular verb: haw - hawed - hawed

Affirmation

Simple form	V-ing form
I could haw you could haw he could haw we could haw you could haw they could haw	I could be hawing you could be hawing he could be hawing we could be hawing you could be hawing they could be hawing
Perfect	V-ing perfect
I could have hawed you could have hawed he could have hawed we could have hawed you could have hawed they could have hawed	I could have been hawing you could have been hawing he could have been hawing we could have been hawing you could have been hawing they could have been hawing

Negation

Simple form	V-ing form
I couldn't haw you couldn't haw he couldn't haw we couldn't haw you couldn't haw they couldn't haw	I couldn't be hawing you couldn't be hawing he couldn't be hawing we couldn't be hawing you couldn't be hawing they couldn't be hawing
Perfect	V-ing perfect
I couldn't have hawed you couldn't have hawed he couldn't have hawed we couldn't have hawed you couldn't have hawed they couldn't have hawed	I couldn't have been hawing you couldn't have been hawing he couldn't have been hawing we couldn't have been hawing you couldn't have been hawing they couldn't have been hawing

Interrogative form

Simple form	V-ing form
could I haw? could you haw? could he haw? could we haw? could you haw? could they haw?	could I be hawing? could you be hawing? could he be hawing? could we be hawing? could you be hawing? could they be hawing?
Perfect	V-ing perfect
could I have hawed? could you have hawed? could he have hawed? could we have hawed? could you have hawed? could they have hawed?	could I have been hawing? could you have been hawing? could he have been hawing? could we have been hawing? could you have been hawing? could they have been hawing?

Interro-negative form

Simple form	V-ing form
couldn't I haw? couldn't you haw? couldn't he haw? couldn't we haw? couldn't you haw? couldn't they haw?	couldn't I be hawing? couldn't you be hawing? couldn't he be hawing? couldn't we be hawing? couldn't you be hawing? couldn't they be hawing?
Perfect	V-ing perfect
couldn't I have hawed? couldn't you have hawed? couldn't he have hawed? couldn't we have hawed? couldn't you have hawed? couldn't they have hawed?	couldn't I have been hawing? couldn't you have been hawing? couldn't he have been hawing? couldn't we have been hawing? couldn't you have been hawing? couldn't they have been hawing?