English verb conjugation
CAN FOUI

Regular verb: foui - fouied - fouied

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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