English verb conjugation
COULD DEFACE

Regular verb: deface - defaced - defaced

Affirmation

Simple form	V-ing form
I could deface you could deface she could deface we could deface you could deface they could deface	I could be defacing you could be defacing she could be defacing we could be defacing you could be defacing they could be defacing
Perfect	V-ing perfect
I could have defaced you could have defaced she could have defaced we could have defaced you could have defaced they could have defaced	I could have been defacing you could have been defacing she could have been defacing we could have been defacing you could have been defacing they could have been defacing

Negation

Simple form	V-ing form
I couldn't deface you couldn't deface she couldn't deface we couldn't deface you couldn't deface they couldn't deface	I couldn't be defacing you couldn't be defacing she couldn't be defacing we couldn't be defacing you couldn't be defacing they couldn't be defacing
Perfect	V-ing perfect
I couldn't have defaced you couldn't have defaced she couldn't have defaced we couldn't have defaced you couldn't have defaced they couldn't have defaced	I couldn't have been defacing you couldn't have been defacing she couldn't have been defacing we couldn't have been defacing you couldn't have been defacing they couldn't have been defacing

Interrogative form

Simple form	V-ing form
could I deface? could you deface? could she deface? could we deface? could you deface? could they deface?	could I be defacing? could you be defacing? could she be defacing? could we be defacing? could you be defacing? could they be defacing?
Perfect	V-ing perfect
could I have defaced? could you have defaced? could she have defaced? could we have defaced? could you have defaced? could they have defaced?	could I have been defacing? could you have been defacing? could she have been defacing? could we have been defacing? could you have been defacing? could they have been defacing?

Interro-negative form

Simple form	V-ing form
couldn't I deface? couldn't you deface? couldn't she deface? couldn't we deface? couldn't you deface? couldn't they deface?	couldn't I be defacing? couldn't you be defacing? couldn't she be defacing? couldn't we be defacing? couldn't you be defacing? couldn't they be defacing?
Perfect	V-ing perfect
couldn't I have defaced? couldn't you have defaced? couldn't she have defaced? couldn't we have defaced? couldn't you have defaced? couldn't they have defaced?	couldn't I have been defacing? couldn't you have been defacing? couldn't she have been defacing? couldn't we have been defacing? couldn't you have been defacing? couldn't they have been defacing?