English verb conjugation
CAN STEEPEN

Regular verb: steepen - steepened - steepened

Affirmation

Simple form	V-ing form
I can steepen you can steepen he can steepen we can steepen you can steepen they can steepen	I can be steepening you can be steepening he can be steepening we can be steepening you can be steepening they can be steepening
Perfect	V-ing perfect
I can have steepened you can have steepened he can have steepened we can have steepened you can have steepened they can have steepened	I can have been steepening you can have been steepening he can have been steepening we can have been steepening you can have been steepening they can have been steepening

Negation

Simple form	V-ing form
I cannot steepen you cannot steepen he cannot steepen we cannot steepen you cannot steepen they cannot steepen	I cannot be steepening you cannot be steepening he cannot be steepening we cannot be steepening you cannot be steepening they cannot be steepening
Perfect	V-ing perfect
I cannot have steepened you cannot have steepened he cannot have steepened we cannot have steepened you cannot have steepened they cannot have steepened	I cannot have been steepening you cannot have been steepening he cannot have been steepening we cannot have been steepening you cannot have been steepening they cannot have been steepening

Interrogative form

Simple form	V-ing form
can I steepen? can you steepen? can he steepen? can we steepen? can you steepen? can they steepen?	can I be steepening? can you be steepening? can he be steepening? can we be steepening? can you be steepening? can they be steepening?
Perfect	V-ing perfect
can I have steepened? can you have steepened? can he have steepened? can we have steepened? can you have steepened? can they have steepened?	can I have been steepening? can you have been steepening? can he have been steepening? can we have been steepening? can you have been steepening? can they have been steepening?

Interro-negative form

Simple form	V-ing form
can I not steepen? can you not steepen? can he not steepen? can we not steepen? can you not steepen? can they not steepen?	can I not be steepening? can you not be steepening? can he not be steepening? can we not be steepening? can you not be steepening? can they not be steepening?
Perfect	V-ing perfect
can I not have steepened? can you not have steepened? can he not have steepened? can we not have steepened? can you not have steepened? can they not have steepened?	can I not have been steepening? can you not have been steepening? can he not have been steepening? can we not have been steepening? can you not have been steepening? can they not have been steepening?