English verb conjugation
COULD FOOT

Regular verb: foot - footed - footed

Affirmation

Simple form	V-ing form
I could foot you could foot he could foot we could foot you could foot they could foot	I could be footing you could be footing he could be footing we could be footing you could be footing they could be footing
Perfect	V-ing perfect
I could have footed you could have footed he could have footed we could have footed you could have footed they could have footed	I could have been footing you could have been footing he could have been footing we could have been footing you could have been footing they could have been footing

Negation

Simple form	V-ing form
I couldn't foot you couldn't foot he couldn't foot we couldn't foot you couldn't foot they couldn't foot	I couldn't be footing you couldn't be footing he couldn't be footing we couldn't be footing you couldn't be footing they couldn't be footing
Perfect	V-ing perfect
I couldn't have footed you couldn't have footed he couldn't have footed we couldn't have footed you couldn't have footed they couldn't have footed	I couldn't have been footing you couldn't have been footing he couldn't have been footing we couldn't have been footing you couldn't have been footing they couldn't have been footing

Interrogative form

Simple form	V-ing form
could I foot? could you foot? could he foot? could we foot? could you foot? could they foot?	could I be footing? could you be footing? could he be footing? could we be footing? could you be footing? could they be footing?
Perfect	V-ing perfect
could I have footed? could you have footed? could he have footed? could we have footed? could you have footed? could they have footed?	could I have been footing? could you have been footing? could he have been footing? could we have been footing? could you have been footing? could they have been footing?

Interro-negative form

Simple form	V-ing form
couldn't I foot? couldn't you foot? couldn't he foot? couldn't we foot? couldn't you foot? couldn't they foot?	couldn't I be footing? couldn't you be footing? couldn't he be footing? couldn't we be footing? couldn't you be footing? couldn't they be footing?
Perfect	V-ing perfect
couldn't I have footed? couldn't you have footed? couldn't he have footed? couldn't we have footed? couldn't you have footed? couldn't they have footed?	couldn't I have been footing? couldn't you have been footing? couldn't he have been footing? couldn't we have been footing? couldn't you have been footing? couldn't they have been footing?