English verb conjugation
COULD CRISPEN

Regular verb: crispen - crispened - crispened

Affirmation

Simple form	V-ing form
I could crispen you could crispen she could crispen we could crispen you could crispen they could crispen	I could be crispening you could be crispening she could be crispening we could be crispening you could be crispening they could be crispening
Perfect	V-ing perfect
I could have crispened you could have crispened she could have crispened we could have crispened you could have crispened they could have crispened	I could have been crispening you could have been crispening she could have been crispening we could have been crispening you could have been crispening they could have been crispening

Negation

Simple form	V-ing form
I could not crispen you could not crispen she could not crispen we could not crispen you could not crispen they could not crispen	I could not be crispening you could not be crispening she could not be crispening we could not be crispening you could not be crispening they could not be crispening
Perfect	V-ing perfect
I could not have crispened you could not have crispened she could not have crispened we could not have crispened you could not have crispened they could not have crispened	I could not have been crispening you could not have been crispening she could not have been crispening we could not have been crispening you could not have been crispening they could not have been crispening

Interrogative form

Simple form	V-ing form
could I crispen? could you crispen? could she crispen? could we crispen? could you crispen? could they crispen?	could I be crispening? could you be crispening? could she be crispening? could we be crispening? could you be crispening? could they be crispening?
Perfect	V-ing perfect
could I have crispened? could you have crispened? could she have crispened? could we have crispened? could you have crispened? could they have crispened?	could I have been crispening? could you have been crispening? could she have been crispening? could we have been crispening? could you have been crispening? could they have been crispening?

Interro-negative form

Simple form	V-ing form
could I not crispen? could you not crispen? could she not crispen? could we not crispen? could you not crispen? could they not crispen?	could I not be crispening? could you not be crispening? could she not be crispening? could we not be crispening? could you not be crispening? could they not be crispening?
Perfect	V-ing perfect
could I not have crispened? could you not have crispened? could she not have crispened? could we not have crispened? could you not have crispened? could they not have crispened?	could I not have been crispening? could you not have been crispening? could she not have been crispening? could we not have been crispening? could you not have been crispening? could they not have been crispening?