English verb conjugation
COULD FOX-TROT

Regular verb: fox-trot - fox-troted - fox-troted

Affirmation

Simple form	V-ing form
I could fox-trot you could fox-trot he could fox-trot we could fox-trot you could fox-trot they could fox-trot	I could be fox-troting you could be fox-troting he could be fox-troting we could be fox-troting you could be fox-troting they could be fox-troting
Perfect	V-ing perfect
I could have fox-troted you could have fox-troted he could have fox-troted we could have fox-troted you could have fox-troted they could have fox-troted	I could have been fox-troting you could have been fox-troting he could have been fox-troting we could have been fox-troting you could have been fox-troting they could have been fox-troting

Negation

Simple form	V-ing form
I couldn't fox-trot you couldn't fox-trot he couldn't fox-trot we couldn't fox-trot you couldn't fox-trot they couldn't fox-trot	I couldn't be fox-troting you couldn't be fox-troting he couldn't be fox-troting we couldn't be fox-troting you couldn't be fox-troting they couldn't be fox-troting
Perfect	V-ing perfect
I couldn't have fox-troted you couldn't have fox-troted he couldn't have fox-troted we couldn't have fox-troted you couldn't have fox-troted they couldn't have fox-troted	I couldn't have been fox-troting you couldn't have been fox-troting he couldn't have been fox-troting we couldn't have been fox-troting you couldn't have been fox-troting they couldn't have been fox-troting

Interrogative form

Simple form	V-ing form
could I fox-trot? could you fox-trot? could he fox-trot? could we fox-trot? could you fox-trot? could they fox-trot?	could I be fox-troting? could you be fox-troting? could he be fox-troting? could we be fox-troting? could you be fox-troting? could they be fox-troting?
Perfect	V-ing perfect
could I have fox-troted? could you have fox-troted? could he have fox-troted? could we have fox-troted? could you have fox-troted? could they have fox-troted?	could I have been fox-troting? could you have been fox-troting? could he have been fox-troting? could we have been fox-troting? could you have been fox-troting? could they have been fox-troting?

Interro-negative form

Simple form	V-ing form
couldn't I fox-trot? couldn't you fox-trot? couldn't he fox-trot? couldn't we fox-trot? couldn't you fox-trot? couldn't they fox-trot?	couldn't I be fox-troting? couldn't you be fox-troting? couldn't he be fox-troting? couldn't we be fox-troting? couldn't you be fox-troting? couldn't they be fox-troting?
Perfect	V-ing perfect
couldn't I have fox-troted? couldn't you have fox-troted? couldn't he have fox-troted? couldn't we have fox-troted? couldn't you have fox-troted? couldn't they have fox-troted?	couldn't I have been fox-troting? couldn't you have been fox-troting? couldn't he have been fox-troting? couldn't we have been fox-troting? couldn't you have been fox-troting? couldn't they have been fox-troting?