English verb conjugation
CAN HYPHEN

Regular verb: hyphen - hyphened - hyphened

Affirmation

Simple form	V-ing form
I can hyphen you can hyphen he can hyphen we can hyphen you can hyphen they can hyphen	I can be hyphening you can be hyphening he can be hyphening we can be hyphening you can be hyphening they can be hyphening
Perfect	V-ing perfect
I can have hyphened you can have hyphened he can have hyphened we can have hyphened you can have hyphened they can have hyphened	I can have been hyphening you can have been hyphening he can have been hyphening we can have been hyphening you can have been hyphening they can have been hyphening

Negation

Simple form	V-ing form
I cannot hyphen you cannot hyphen he cannot hyphen we cannot hyphen you cannot hyphen they cannot hyphen	I cannot be hyphening you cannot be hyphening he cannot be hyphening we cannot be hyphening you cannot be hyphening they cannot be hyphening
Perfect	V-ing perfect
I cannot have hyphened you cannot have hyphened he cannot have hyphened we cannot have hyphened you cannot have hyphened they cannot have hyphened	I cannot have been hyphening you cannot have been hyphening he cannot have been hyphening we cannot have been hyphening you cannot have been hyphening they cannot have been hyphening

Interrogative form

Simple form	V-ing form
can I hyphen? can you hyphen? can he hyphen? can we hyphen? can you hyphen? can they hyphen?	can I be hyphening? can you be hyphening? can he be hyphening? can we be hyphening? can you be hyphening? can they be hyphening?
Perfect	V-ing perfect
can I have hyphened? can you have hyphened? can he have hyphened? can we have hyphened? can you have hyphened? can they have hyphened?	can I have been hyphening? can you have been hyphening? can he have been hyphening? can we have been hyphening? can you have been hyphening? can they have been hyphening?

Interro-negative form

Simple form	V-ing form
can I not hyphen? can you not hyphen? can he not hyphen? can we not hyphen? can you not hyphen? can they not hyphen?	can I not be hyphening? can you not be hyphening? can he not be hyphening? can we not be hyphening? can you not be hyphening? can they not be hyphening?
Perfect	V-ing perfect
can I not have hyphened? can you not have hyphened? can he not have hyphened? can we not have hyphened? can you not have hyphened? can they not have hyphened?	can I not have been hyphening? can you not have been hyphening? can he not have been hyphening? can we not have been hyphening? can you not have been hyphening? can they not have been hyphening?