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 can't steepen you can't steepen he can't steepen we can't steepen you can't steepen they can't steepen	I can't be steepening you can't be steepening he can't be steepening we can't be steepening you can't be steepening they can't be steepening
Perfect	V-ing perfect
I can't have steepened you can't have steepened he can't have steepened we can't have steepened you can't have steepened they can't have steepened	I can't have been steepening you can't have been steepening he can't have been steepening we can't have been steepening you can't have been steepening they can't 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't I steepen? can't you steepen? can't he steepen? can't we steepen? can't you steepen? can't they steepen?	can't I be steepening? can't you be steepening? can't he be steepening? can't we be steepening? can't you be steepening? can't they be steepening?
Perfect	V-ing perfect
can't I have steepened? can't you have steepened? can't he have steepened? can't we have steepened? can't you have steepened? can't they have steepened?	can't I have been steepening? can't you have been steepening? can't he have been steepening? can't we have been steepening? can't you have been steepening? can't they have been steepening?