English verb conjugation
COULD YOKE

Regular verb: yoke - yoked - yoked

Affirmation

Simple form	V-ing form
I could yoke you could yoke he could yoke we could yoke you could yoke they could yoke	I could be yoking you could be yoking he could be yoking we could be yoking you could be yoking they could be yoking
Perfect	V-ing perfect
I could have yoked you could have yoked he could have yoked we could have yoked you could have yoked they could have yoked	I could have been yoking you could have been yoking he could have been yoking we could have been yoking you could have been yoking they could have been yoking

Negation

Simple form	V-ing form
I couldn't yoke you couldn't yoke he couldn't yoke we couldn't yoke you couldn't yoke they couldn't yoke	I couldn't be yoking you couldn't be yoking he couldn't be yoking we couldn't be yoking you couldn't be yoking they couldn't be yoking
Perfect	V-ing perfect
I couldn't have yoked you couldn't have yoked he couldn't have yoked we couldn't have yoked you couldn't have yoked they couldn't have yoked	I couldn't have been yoking you couldn't have been yoking he couldn't have been yoking we couldn't have been yoking you couldn't have been yoking they couldn't have been yoking

Interrogative form

Simple form	V-ing form
could I yoke? could you yoke? could he yoke? could we yoke? could you yoke? could they yoke?	could I be yoking? could you be yoking? could he be yoking? could we be yoking? could you be yoking? could they be yoking?
Perfect	V-ing perfect
could I have yoked? could you have yoked? could he have yoked? could we have yoked? could you have yoked? could they have yoked?	could I have been yoking? could you have been yoking? could he have been yoking? could we have been yoking? could you have been yoking? could they have been yoking?

Interro-negative form

Simple form	V-ing form
couldn't I yoke? couldn't you yoke? couldn't he yoke? couldn't we yoke? couldn't you yoke? couldn't they yoke?	couldn't I be yoking? couldn't you be yoking? couldn't he be yoking? couldn't we be yoking? couldn't you be yoking? couldn't they be yoking?
Perfect	V-ing perfect
couldn't I have yoked? couldn't you have yoked? couldn't he have yoked? couldn't we have yoked? couldn't you have yoked? couldn't they have yoked?	couldn't I have been yoking? couldn't you have been yoking? couldn't he have been yoking? couldn't we have been yoking? couldn't you have been yoking? couldn't they have been yoking?