English verb conjugation
COULD FOXTROT

Regular verb: foxtrot - foxtroted - foxtroted

Affirmation

Simple form	V-ing form
I could foxtrot you could foxtrot he could foxtrot we could foxtrot you could foxtrot they could foxtrot	I could be foxtroting you could be foxtroting he could be foxtroting we could be foxtroting you could be foxtroting they could be foxtroting
Perfect	V-ing perfect
I could have foxtroted you could have foxtroted he could have foxtroted we could have foxtroted you could have foxtroted they could have foxtroted	I could have been foxtroting you could have been foxtroting he could have been foxtroting we could have been foxtroting you could have been foxtroting they could have been foxtroting

Negation

Simple form	V-ing form
I couldn't foxtrot you couldn't foxtrot he couldn't foxtrot we couldn't foxtrot you couldn't foxtrot they couldn't foxtrot	I couldn't be foxtroting you couldn't be foxtroting he couldn't be foxtroting we couldn't be foxtroting you couldn't be foxtroting they couldn't be foxtroting
Perfect	V-ing perfect
I couldn't have foxtroted you couldn't have foxtroted he couldn't have foxtroted we couldn't have foxtroted you couldn't have foxtroted they couldn't have foxtroted	I couldn't have been foxtroting you couldn't have been foxtroting he couldn't have been foxtroting we couldn't have been foxtroting you couldn't have been foxtroting they couldn't have been foxtroting

Interrogative form

Simple form	V-ing form
could I foxtrot? could you foxtrot? could he foxtrot? could we foxtrot? could you foxtrot? could they foxtrot?	could I be foxtroting? could you be foxtroting? could he be foxtroting? could we be foxtroting? could you be foxtroting? could they be foxtroting?
Perfect	V-ing perfect
could I have foxtroted? could you have foxtroted? could he have foxtroted? could we have foxtroted? could you have foxtroted? could they have foxtroted?	could I have been foxtroting? could you have been foxtroting? could he have been foxtroting? could we have been foxtroting? could you have been foxtroting? could they have been foxtroting?

Interro-negative form

Simple form	V-ing form
couldn't I foxtrot? couldn't you foxtrot? couldn't he foxtrot? couldn't we foxtrot? couldn't you foxtrot? couldn't they foxtrot?	couldn't I be foxtroting? couldn't you be foxtroting? couldn't he be foxtroting? couldn't we be foxtroting? couldn't you be foxtroting? couldn't they be foxtroting?
Perfect	V-ing perfect
couldn't I have foxtroted? couldn't you have foxtroted? couldn't he have foxtroted? couldn't we have foxtroted? couldn't you have foxtroted? couldn't they have foxtroted?	couldn't I have been foxtroting? couldn't you have been foxtroting? couldn't he have been foxtroting? couldn't we have been foxtroting? couldn't you have been foxtroting? couldn't they have been foxtroting?