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 mustn't blemish you mustn't blemish he mustn't blemish we mustn't blemish you mustn't blemish they mustn't blemish	I mustn't be blemishing you mustn't be blemishing he mustn't be blemishing we mustn't be blemishing you mustn't be blemishing they mustn't be blemishing
Perfect	V-ing perfect
I mustn't have blemished you mustn't have blemished he mustn't have blemished we mustn't have blemished you mustn't have blemished they mustn't have blemished	I mustn't have been blemishing you mustn't have been blemishing he mustn't have been blemishing we mustn't have been blemishing you mustn't have been blemishing they mustn't 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
mustn't I blemish? mustn't you blemish? mustn't he blemish? mustn't we blemish? mustn't you blemish? mustn't they blemish?	mustn't I be blemishing? mustn't you be blemishing? mustn't he be blemishing? mustn't we be blemishing? mustn't you be blemishing? mustn't they be blemishing?
Perfect	V-ing perfect
mustn't I have blemished? mustn't you have blemished? mustn't he have blemished? mustn't we have blemished? mustn't you have blemished? mustn't they have blemished?	mustn't I have been blemishing? mustn't you have been blemishing? mustn't he have been blemishing? mustn't we have been blemishing? mustn't you have been blemishing? mustn't they have been blemishing?