English verb conjugation
MUST PRESWEETEN

Regular verb: presweeten - presweetened - presweetened

Affirmation

Simple form	V-ing form
I must presweeten you must presweeten he must presweeten we must presweeten you must presweeten they must presweeten	I must be presweetening you must be presweetening he must be presweetening we must be presweetening you must be presweetening they must be presweetening
Perfect	V-ing perfect
I must have presweetened you must have presweetened he must have presweetened we must have presweetened you must have presweetened they must have presweetened	I must have been presweetening you must have been presweetening he must have been presweetening we must have been presweetening you must have been presweetening they must have been presweetening

Negation

Simple form	V-ing form
I must not presweeten you must not presweeten he must not presweeten we must not presweeten you must not presweeten they must not presweeten	I must not be presweetening you must not be presweetening he must not be presweetening we must not be presweetening you must not be presweetening they must not be presweetening
Perfect	V-ing perfect
I must not have presweetened you must not have presweetened he must not have presweetened we must not have presweetened you must not have presweetened they must not have presweetened	I must not have been presweetening you must not have been presweetening he must not have been presweetening we must not have been presweetening you must not have been presweetening they must not have been presweetening

Interrogative form

Simple form	V-ing form
must I presweeten? must you presweeten? must he presweeten? must we presweeten? must you presweeten? must they presweeten?	must I be presweetening? must you be presweetening? must he be presweetening? must we be presweetening? must you be presweetening? must they be presweetening?
Perfect	V-ing perfect
must I have presweetened? must you have presweetened? must he have presweetened? must we have presweetened? must you have presweetened? must they have presweetened?	must I have been presweetening? must you have been presweetening? must he have been presweetening? must we have been presweetening? must you have been presweetening? must they have been presweetening?

Interro-negative form

Simple form	V-ing form
must I not presweeten? must you not presweeten? must he not presweeten? must we not presweeten? must you not presweeten? must they not presweeten?	must I not be presweetening? must you not be presweetening? must he not be presweetening? must we not be presweetening? must you not be presweetening? must they not be presweetening?
Perfect	V-ing perfect
must I not have presweetened? must you not have presweetened? must he not have presweetened? must we not have presweetened? must you not have presweetened? must they not have presweetened?	must I not have been presweetening? must you not have been presweetening? must he not have been presweetening? must we not have been presweetening? must you not have been presweetening? must they not have been presweetening?