English verb conjugation
CAN ZERO

Regular verb: zero - zeroed - zeroed

Affirmation

Simple form	V-ing form
I can zero you can zero she can zero we can zero you can zero they can zero	I can be zeroing you can be zeroing she can be zeroing we can be zeroing you can be zeroing they can be zeroing
Perfect	V-ing perfect
I can have zeroed you can have zeroed she can have zeroed we can have zeroed you can have zeroed they can have zeroed	I can have been zeroing you can have been zeroing she can have been zeroing we can have been zeroing you can have been zeroing they can have been zeroing

Negation

Simple form	V-ing form
I can't zero you can't zero she can't zero we can't zero you can't zero they can't zero	I can't be zeroing you can't be zeroing she can't be zeroing we can't be zeroing you can't be zeroing they can't be zeroing
Perfect	V-ing perfect
I can't have zeroed you can't have zeroed she can't have zeroed we can't have zeroed you can't have zeroed they can't have zeroed	I can't have been zeroing you can't have been zeroing she can't have been zeroing we can't have been zeroing you can't have been zeroing they can't have been zeroing

Interrogative form

Simple form	V-ing form
can I zero? can you zero? can she zero? can we zero? can you zero? can they zero?	can I be zeroing? can you be zeroing? can she be zeroing? can we be zeroing? can you be zeroing? can they be zeroing?
Perfect	V-ing perfect
can I have zeroed? can you have zeroed? can she have zeroed? can we have zeroed? can you have zeroed? can they have zeroed?	can I have been zeroing? can you have been zeroing? can she have been zeroing? can we have been zeroing? can you have been zeroing? can they have been zeroing?

Interro-negative form

Simple form	V-ing form
can't I zero? can't you zero? can't she zero? can't we zero? can't you zero? can't they zero?	can't I be zeroing? can't you be zeroing? can't she be zeroing? can't we be zeroing? can't you be zeroing? can't they be zeroing?
Perfect	V-ing perfect
can't I have zeroed? can't you have zeroed? can't she have zeroed? can't we have zeroed? can't you have zeroed? can't they have zeroed?	can't I have been zeroing? can't you have been zeroing? can't she have been zeroing? can't we have been zeroing? can't you have been zeroing? can't they have been zeroing?