English verb conjugation
COULD JAW

Regular verb: jaw - jawed - jawed

Affirmation

Simple form	V-ing form
I could jaw you could jaw he could jaw we could jaw you could jaw they could jaw	I could be jawing you could be jawing he could be jawing we could be jawing you could be jawing they could be jawing
Perfect	V-ing perfect
I could have jawed you could have jawed he could have jawed we could have jawed you could have jawed they could have jawed	I could have been jawing you could have been jawing he could have been jawing we could have been jawing you could have been jawing they could have been jawing

Negation

Simple form	V-ing form
I couldn't jaw you couldn't jaw he couldn't jaw we couldn't jaw you couldn't jaw they couldn't jaw	I couldn't be jawing you couldn't be jawing he couldn't be jawing we couldn't be jawing you couldn't be jawing they couldn't be jawing
Perfect	V-ing perfect
I couldn't have jawed you couldn't have jawed he couldn't have jawed we couldn't have jawed you couldn't have jawed they couldn't have jawed	I couldn't have been jawing you couldn't have been jawing he couldn't have been jawing we couldn't have been jawing you couldn't have been jawing they couldn't have been jawing

Interrogative form

Simple form	V-ing form
could I jaw? could you jaw? could he jaw? could we jaw? could you jaw? could they jaw?	could I be jawing? could you be jawing? could he be jawing? could we be jawing? could you be jawing? could they be jawing?
Perfect	V-ing perfect
could I have jawed? could you have jawed? could he have jawed? could we have jawed? could you have jawed? could they have jawed?	could I have been jawing? could you have been jawing? could he have been jawing? could we have been jawing? could you have been jawing? could they have been jawing?

Interro-negative form

Simple form	V-ing form
couldn't I jaw? couldn't you jaw? couldn't he jaw? couldn't we jaw? couldn't you jaw? couldn't they jaw?	couldn't I be jawing? couldn't you be jawing? couldn't he be jawing? couldn't we be jawing? couldn't you be jawing? couldn't they be jawing?
Perfect	V-ing perfect
couldn't I have jawed? couldn't you have jawed? couldn't he have jawed? couldn't we have jawed? couldn't you have jawed? couldn't they have jawed?	couldn't I have been jawing? couldn't you have been jawing? couldn't he have been jawing? couldn't we have been jawing? couldn't you have been jawing? couldn't they have been jawing?