English verb conjugation
CAN CRISPEN

Regular verb: crispen - crispened - crispened

Affirmation

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

Negation

Simple form	V-ing form
I cannot crispen you cannot crispen he cannot crispen we cannot crispen you cannot crispen they cannot crispen	I cannot be crispening you cannot be crispening he cannot be crispening we cannot be crispening you cannot be crispening they cannot be crispening
Perfect	V-ing perfect
I cannot have crispened you cannot have crispened he cannot have crispened we cannot have crispened you cannot have crispened they cannot have crispened	I cannot have been crispening you cannot have been crispening he cannot have been crispening we cannot have been crispening you cannot have been crispening they cannot have been crispening

Interrogative form

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

Interro-negative form

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