English verb conjugation
CAN EFFACE

Regular verb: efface - effaced - effaced

Affirmation

Simple form	V-ing form
I can efface you can efface he can efface we can efface you can efface they can efface	I can be effacing you can be effacing he can be effacing we can be effacing you can be effacing they can be effacing
Perfect	V-ing perfect
I can have effaced you can have effaced he can have effaced we can have effaced you can have effaced they can have effaced	I can have been effacing you can have been effacing he can have been effacing we can have been effacing you can have been effacing they can have been effacing

Negation

Simple form	V-ing form
I can't efface you can't efface he can't efface we can't efface you can't efface they can't efface	I can't be effacing you can't be effacing he can't be effacing we can't be effacing you can't be effacing they can't be effacing
Perfect	V-ing perfect
I can't have effaced you can't have effaced he can't have effaced we can't have effaced you can't have effaced they can't have effaced	I can't have been effacing you can't have been effacing he can't have been effacing we can't have been effacing you can't have been effacing they can't have been effacing

Interrogative form

Simple form	V-ing form
can I efface? can you efface? can he efface? can we efface? can you efface? can they efface?	can I be effacing? can you be effacing? can he be effacing? can we be effacing? can you be effacing? can they be effacing?
Perfect	V-ing perfect
can I have effaced? can you have effaced? can he have effaced? can we have effaced? can you have effaced? can they have effaced?	can I have been effacing? can you have been effacing? can he have been effacing? can we have been effacing? can you have been effacing? can they have been effacing?

Interro-negative form

Simple form	V-ing form
can't I efface? can't you efface? can't he efface? can't we efface? can't you efface? can't they efface?	can't I be effacing? can't you be effacing? can't he be effacing? can't we be effacing? can't you be effacing? can't they be effacing?
Perfect	V-ing perfect
can't I have effaced? can't you have effaced? can't he have effaced? can't we have effaced? can't you have effaced? can't they have effaced?	can't I have been effacing? can't you have been effacing? can't he have been effacing? can't we have been effacing? can't you have been effacing? can't they have been effacing?