English verb conjugation
MUST FREEBASE

Regular verb: freebase - freebased - freebased

Affirmation

Simple form	V-ing form
I must freebase you must freebase he must freebase we must freebase you must freebase they must freebase	I must be freebasing you must be freebasing he must be freebasing we must be freebasing you must be freebasing they must be freebasing
Perfect	V-ing perfect
I must have freebased you must have freebased he must have freebased we must have freebased you must have freebased they must have freebased	I must have been freebasing you must have been freebasing he must have been freebasing we must have been freebasing you must have been freebasing they must have been freebasing

Negation

Simple form	V-ing form
I must not freebase you must not freebase he must not freebase we must not freebase you must not freebase they must not freebase	I must not be freebasing you must not be freebasing he must not be freebasing we must not be freebasing you must not be freebasing they must not be freebasing
Perfect	V-ing perfect
I must not have freebased you must not have freebased he must not have freebased we must not have freebased you must not have freebased they must not have freebased	I must not have been freebasing you must not have been freebasing he must not have been freebasing we must not have been freebasing you must not have been freebasing they must not have been freebasing

Interrogative form

Simple form	V-ing form
must I freebase? must you freebase? must he freebase? must we freebase? must you freebase? must they freebase?	must I be freebasing? must you be freebasing? must he be freebasing? must we be freebasing? must you be freebasing? must they be freebasing?
Perfect	V-ing perfect
must I have freebased? must you have freebased? must he have freebased? must we have freebased? must you have freebased? must they have freebased?	must I have been freebasing? must you have been freebasing? must he have been freebasing? must we have been freebasing? must you have been freebasing? must they have been freebasing?

Interro-negative form

Simple form	V-ing form
must I not freebase? must you not freebase? must he not freebase? must we not freebase? must you not freebase? must they not freebase?	must I not be freebasing? must you not be freebasing? must he not be freebasing? must we not be freebasing? must you not be freebasing? must they not be freebasing?
Perfect	V-ing perfect
must I not have freebased? must you not have freebased? must he not have freebased? must we not have freebased? must you not have freebased? must they not have freebased?	must I not have been freebasing? must you not have been freebasing? must he not have been freebasing? must we not have been freebasing? must you not have been freebasing? must they not have been freebasing?