English verb conjugation
MUST CARBON-DATE

Regular verb: carbon-date - carbon-dated - carbon-dated

Affirmation

Simple form	V-ing form
I must carbon-date you must carbon-date he must carbon-date we must carbon-date you must carbon-date they must carbon-date	I must be carbon-dating you must be carbon-dating he must be carbon-dating we must be carbon-dating you must be carbon-dating they must be carbon-dating
Perfect	V-ing perfect
I must have carbon-dated you must have carbon-dated he must have carbon-dated we must have carbon-dated you must have carbon-dated they must have carbon-dated	I must have been carbon-dating you must have been carbon-dating he must have been carbon-dating we must have been carbon-dating you must have been carbon-dating they must have been carbon-dating

Negation

Simple form	V-ing form
I must not carbon-date you must not carbon-date he must not carbon-date we must not carbon-date you must not carbon-date they must not carbon-date	I must not be carbon-dating you must not be carbon-dating he must not be carbon-dating we must not be carbon-dating you must not be carbon-dating they must not be carbon-dating
Perfect	V-ing perfect
I must not have carbon-dated you must not have carbon-dated he must not have carbon-dated we must not have carbon-dated you must not have carbon-dated they must not have carbon-dated	I must not have been carbon-dating you must not have been carbon-dating he must not have been carbon-dating we must not have been carbon-dating you must not have been carbon-dating they must not have been carbon-dating

Interrogative form

Simple form	V-ing form
must I carbon-date? must you carbon-date? must he carbon-date? must we carbon-date? must you carbon-date? must they carbon-date?	must I be carbon-dating? must you be carbon-dating? must he be carbon-dating? must we be carbon-dating? must you be carbon-dating? must they be carbon-dating?
Perfect	V-ing perfect
must I have carbon-dated? must you have carbon-dated? must he have carbon-dated? must we have carbon-dated? must you have carbon-dated? must they have carbon-dated?	must I have been carbon-dating? must you have been carbon-dating? must he have been carbon-dating? must we have been carbon-dating? must you have been carbon-dating? must they have been carbon-dating?

Interro-negative form

Simple form	V-ing form
must I not carbon-date? must you not carbon-date? must he not carbon-date? must we not carbon-date? must you not carbon-date? must they not carbon-date?	must I not be carbon-dating? must you not be carbon-dating? must he not be carbon-dating? must we not be carbon-dating? must you not be carbon-dating? must they not be carbon-dating?
Perfect	V-ing perfect
must I not have carbon-dated? must you not have carbon-dated? must he not have carbon-dated? must we not have carbon-dated? must you not have carbon-dated? must they not have carbon-dated?	must I not have been carbon-dating? must you not have been carbon-dating? must he not have been carbon-dating? must we not have been carbon-dating? must you not have been carbon-dating? must they not have been carbon-dating?