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 cannot first-foot you cannot first-foot he cannot first-foot we cannot first-foot you cannot first-foot they cannot first-foot	I cannot be first-footing you cannot be first-footing he cannot be first-footing we cannot be first-footing you cannot be first-footing they cannot be first-footing
Perfect	V-ing perfect
I cannot have first-footed you cannot have first-footed he cannot have first-footed we cannot have first-footed you cannot have first-footed they cannot have first-footed	I cannot have been first-footing you cannot have been first-footing he cannot have been first-footing we cannot have been first-footing you cannot have been first-footing they cannot 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 I not first-foot? can you not first-foot? can he not first-foot? can we not first-foot? can you not first-foot? can they not first-foot?	can I not be first-footing? can you not be first-footing? can he not be first-footing? can we not be first-footing? can you not be first-footing? can they not be first-footing?
Perfect	V-ing perfect
can I not have first-footed? can you not have first-footed? can he not have first-footed? can we not have first-footed? can you not have first-footed? can they not have first-footed?	can I not have been first-footing? can you not have been first-footing? can he not have been first-footing? can we not have been first-footing? can you not have been first-footing? can they not have been first-footing?