English verb conjugation
COULD TIRBOUCHONNER

Regular verb: tirbouchonner - tirbouchonnered - tirbouchonnered

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could tirbouchonner you could tirbouchonner she could tirbouchonner we could tirbouchonner you could tirbouchonner they could tirbouchonner	I could be tirbouchonnering you could be tirbouchonnering she could be tirbouchonnering we could be tirbouchonnering you could be tirbouchonnering they could be tirbouchonnering
Perfect	V-ing perfect
I could have tirbouchonnered you could have tirbouchonnered she could have tirbouchonnered we could have tirbouchonnered you could have tirbouchonnered they could have tirbouchonnered	I could have been tirbouchonnering you could have been tirbouchonnering she could have been tirbouchonnering we could have been tirbouchonnering you could have been tirbouchonnering they could have been tirbouchonnering

Negation

Simple form	V-ing form
I couldn't tirbouchonner you couldn't tirbouchonner she couldn't tirbouchonner we couldn't tirbouchonner you couldn't tirbouchonner they couldn't tirbouchonner	I couldn't be tirbouchonnering you couldn't be tirbouchonnering she couldn't be tirbouchonnering we couldn't be tirbouchonnering you couldn't be tirbouchonnering they couldn't be tirbouchonnering
Perfect	V-ing perfect
I couldn't have tirbouchonnered you couldn't have tirbouchonnered she couldn't have tirbouchonnered we couldn't have tirbouchonnered you couldn't have tirbouchonnered they couldn't have tirbouchonnered	I couldn't have been tirbouchonnering you couldn't have been tirbouchonnering she couldn't have been tirbouchonnering we couldn't have been tirbouchonnering you couldn't have been tirbouchonnering they couldn't have been tirbouchonnering

Interrogative form

Simple form	V-ing form
could I tirbouchonner? could you tirbouchonner? could she tirbouchonner? could we tirbouchonner? could you tirbouchonner? could they tirbouchonner?	could I be tirbouchonnering? could you be tirbouchonnering? could she be tirbouchonnering? could we be tirbouchonnering? could you be tirbouchonnering? could they be tirbouchonnering?
Perfect	V-ing perfect
could I have tirbouchonnered? could you have tirbouchonnered? could she have tirbouchonnered? could we have tirbouchonnered? could you have tirbouchonnered? could they have tirbouchonnered?	could I have been tirbouchonnering? could you have been tirbouchonnering? could she have been tirbouchonnering? could we have been tirbouchonnering? could you have been tirbouchonnering? could they have been tirbouchonnering?

Interro-negative form

Simple form	V-ing form
couldn't I tirbouchonner? couldn't you tirbouchonner? couldn't she tirbouchonner? couldn't we tirbouchonner? couldn't you tirbouchonner? couldn't they tirbouchonner?	couldn't I be tirbouchonnering? couldn't you be tirbouchonnering? couldn't she be tirbouchonnering? couldn't we be tirbouchonnering? couldn't you be tirbouchonnering? couldn't they be tirbouchonnering?
Perfect	V-ing perfect
couldn't I have tirbouchonnered? couldn't you have tirbouchonnered? couldn't she have tirbouchonnered? couldn't we have tirbouchonnered? couldn't you have tirbouchonnered? couldn't they have tirbouchonnered?	couldn't I have been tirbouchonnering? couldn't you have been tirbouchonnering? couldn't she have been tirbouchonnering? couldn't we have been tirbouchonnering? couldn't you have been tirbouchonnering? couldn't they have been tirbouchonnering?