English verb conjugation
COULD FOUI

Regular verb: foui - fouied - fouied

Affirmation

Simple form	V-ing form
I could foui you could foui he could foui we could foui you could foui they could foui	I could be fouiing you could be fouiing he could be fouiing we could be fouiing you could be fouiing they could be fouiing
Perfect	V-ing perfect
I could have fouied you could have fouied he could have fouied we could have fouied you could have fouied they could have fouied	I could have been fouiing you could have been fouiing he could have been fouiing we could have been fouiing you could have been fouiing they could have been fouiing

Negation

Simple form	V-ing form
I couldn't foui you couldn't foui he couldn't foui we couldn't foui you couldn't foui they couldn't foui	I couldn't be fouiing you couldn't be fouiing he couldn't be fouiing we couldn't be fouiing you couldn't be fouiing they couldn't be fouiing
Perfect	V-ing perfect
I couldn't have fouied you couldn't have fouied he couldn't have fouied we couldn't have fouied you couldn't have fouied they couldn't have fouied	I couldn't have been fouiing you couldn't have been fouiing he couldn't have been fouiing we couldn't have been fouiing you couldn't have been fouiing they couldn't have been fouiing

Interrogative form

Simple form	V-ing form
could I foui? could you foui? could he foui? could we foui? could you foui? could they foui?	could I be fouiing? could you be fouiing? could he be fouiing? could we be fouiing? could you be fouiing? could they be fouiing?
Perfect	V-ing perfect
could I have fouied? could you have fouied? could he have fouied? could we have fouied? could you have fouied? could they have fouied?	could I have been fouiing? could you have been fouiing? could he have been fouiing? could we have been fouiing? could you have been fouiing? could they have been fouiing?

Interro-negative form

Simple form	V-ing form
couldn't I foui? couldn't you foui? couldn't he foui? couldn't we foui? couldn't you foui? couldn't they foui?	couldn't I be fouiing? couldn't you be fouiing? couldn't he be fouiing? couldn't we be fouiing? couldn't you be fouiing? couldn't they be fouiing?
Perfect	V-ing perfect
couldn't I have fouied? couldn't you have fouied? couldn't he have fouied? couldn't we have fouied? couldn't you have fouied? couldn't they have fouied?	couldn't I have been fouiing? couldn't you have been fouiing? couldn't he have been fouiing? couldn't we have been fouiing? couldn't you have been fouiing? couldn't they have been fouiing?