English verb conjugation
CAN ZERO

Regular verb: zero - zeroed - zeroed

Affirmation

Simple form	V-ing form
I can zero you can zero he can zero we can zero you can zero they can zero	I can be zeroing you can be zeroing he 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 he 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 he 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 he 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 he 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 he 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 he 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 he zero? can we zero? can you zero? can they zero?	can I be zeroing? can you be zeroing? can he 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 he 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 he 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 he 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 he 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 he 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 he have been zeroing? can't we have been zeroing? can't you have been zeroing? can't they have been zeroing?