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 can't crispen you can't crispen he can't crispen we can't crispen you can't crispen they can't crispen	I can't be crispening you can't be crispening he can't be crispening we can't be crispening you can't be crispening they can't be crispening
Perfect	V-ing perfect
I can't have crispened you can't have crispened he can't have crispened we can't have crispened you can't have crispened they can't have crispened	I can't have been crispening you can't have been crispening he can't have been crispening we can't have been crispening you can't have been crispening they can't 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't I crispen? can't you crispen? can't he crispen? can't we crispen? can't you crispen? can't they crispen?	can't I be crispening? can't you be crispening? can't he be crispening? can't we be crispening? can't you be crispening? can't they be crispening?
Perfect	V-ing perfect
can't I have crispened? can't you have crispened? can't he have crispened? can't we have crispened? can't you have crispened? can't they have crispened?	can't I have been crispening? can't you have been crispening? can't he have been crispening? can't we have been crispening? can't you have been crispening? can't they have been crispening?