English verb conjugation
CAN FIRST-FOOT

Regular verb: first-foot - first-footed - first-footed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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