English verb conjugation
CAN DEFACE

Regular verb: deface - defaced - defaced

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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