English verb conjugation
CAN PREPARE

Regular verb: prepare - prepared - prepared

Affirmation

Simple form	V-ing form
I can prepare you can prepare he can prepare we can prepare you can prepare they can prepare	I can be preparing you can be preparing he can be preparing we can be preparing you can be preparing they can be preparing
Perfect	V-ing perfect
I can have prepared you can have prepared he can have prepared we can have prepared you can have prepared they can have prepared	I can have been preparing you can have been preparing he can have been preparing we can have been preparing you can have been preparing they can have been preparing

Negation

Simple form	V-ing form
I cannot prepare you cannot prepare he cannot prepare we cannot prepare you cannot prepare they cannot prepare	I cannot be preparing you cannot be preparing he cannot be preparing we cannot be preparing you cannot be preparing they cannot be preparing
Perfect	V-ing perfect
I cannot have prepared you cannot have prepared he cannot have prepared we cannot have prepared you cannot have prepared they cannot have prepared	I cannot have been preparing you cannot have been preparing he cannot have been preparing we cannot have been preparing you cannot have been preparing they cannot have been preparing

Interrogative form

Simple form	V-ing form
can I prepare? can you prepare? can he prepare? can we prepare? can you prepare? can they prepare?	can I be preparing? can you be preparing? can he be preparing? can we be preparing? can you be preparing? can they be preparing?
Perfect	V-ing perfect
can I have prepared? can you have prepared? can he have prepared? can we have prepared? can you have prepared? can they have prepared?	can I have been preparing? can you have been preparing? can he have been preparing? can we have been preparing? can you have been preparing? can they have been preparing?

Interro-negative form

Simple form	V-ing form
can I not prepare? can you not prepare? can he not prepare? can we not prepare? can you not prepare? can they not prepare?	can I not be preparing? can you not be preparing? can he not be preparing? can we not be preparing? can you not be preparing? can they not be preparing?
Perfect	V-ing perfect
can I not have prepared? can you not have prepared? can he not have prepared? can we not have prepared? can you not have prepared? can they not have prepared?	can I not have been preparing? can you not have been preparing? can he not have been preparing? can we not have been preparing? can you not have been preparing? can they not have been preparing?