English verb conjugation
MUST BLEMISH

Regular verb: blemish - blemished - blemished

Affirmation

Simple form	V-ing form
I must blemish you must blemish he must blemish we must blemish you must blemish they must blemish	I must be blemishing you must be blemishing he must be blemishing we must be blemishing you must be blemishing they must be blemishing
Perfect	V-ing perfect
I must have blemished you must have blemished he must have blemished we must have blemished you must have blemished they must have blemished	I must have been blemishing you must have been blemishing he must have been blemishing we must have been blemishing you must have been blemishing they must have been blemishing

Negation

Simple form	V-ing form
I must not blemish you must not blemish he must not blemish we must not blemish you must not blemish they must not blemish	I must not be blemishing you must not be blemishing he must not be blemishing we must not be blemishing you must not be blemishing they must not be blemishing
Perfect	V-ing perfect
I must not have blemished you must not have blemished he must not have blemished we must not have blemished you must not have blemished they must not have blemished	I must not have been blemishing you must not have been blemishing he must not have been blemishing we must not have been blemishing you must not have been blemishing they must not have been blemishing

Interrogative form

Simple form	V-ing form
must I blemish? must you blemish? must he blemish? must we blemish? must you blemish? must they blemish?	must I be blemishing? must you be blemishing? must he be blemishing? must we be blemishing? must you be blemishing? must they be blemishing?
Perfect	V-ing perfect
must I have blemished? must you have blemished? must he have blemished? must we have blemished? must you have blemished? must they have blemished?	must I have been blemishing? must you have been blemishing? must he have been blemishing? must we have been blemishing? must you have been blemishing? must they have been blemishing?

Interro-negative form

Simple form	V-ing form
must I not blemish? must you not blemish? must he not blemish? must we not blemish? must you not blemish? must they not blemish?	must I not be blemishing? must you not be blemishing? must he not be blemishing? must we not be blemishing? must you not be blemishing? must they not be blemishing?
Perfect	V-ing perfect
must I not have blemished? must you not have blemished? must he not have blemished? must we not have blemished? must you not have blemished? must they not have blemished?	must I not have been blemishing? must you not have been blemishing? must he not have been blemishing? must we not have been blemishing? must you not have been blemishing? must they not have been blemishing?