English verb conjugation
MUST SMEAR

Regular verb: smear - smeared - smeared

Affirmation

Simple form	V-ing form
I must smear you must smear she must smear we must smear you must smear they must smear	I must be smearing you must be smearing she must be smearing we must be smearing you must be smearing they must be smearing
Perfect	V-ing perfect
I must have smeared you must have smeared she must have smeared we must have smeared you must have smeared they must have smeared	I must have been smearing you must have been smearing she must have been smearing we must have been smearing you must have been smearing they must have been smearing

Negation

Simple form	V-ing form
I mustn't smear you mustn't smear she mustn't smear we mustn't smear you mustn't smear they mustn't smear	I mustn't be smearing you mustn't be smearing she mustn't be smearing we mustn't be smearing you mustn't be smearing they mustn't be smearing
Perfect	V-ing perfect
I mustn't have smeared you mustn't have smeared she mustn't have smeared we mustn't have smeared you mustn't have smeared they mustn't have smeared	I mustn't have been smearing you mustn't have been smearing she mustn't have been smearing we mustn't have been smearing you mustn't have been smearing they mustn't have been smearing

Interrogative form

Simple form	V-ing form
must I smear? must you smear? must she smear? must we smear? must you smear? must they smear?	must I be smearing? must you be smearing? must she be smearing? must we be smearing? must you be smearing? must they be smearing?
Perfect	V-ing perfect
must I have smeared? must you have smeared? must she have smeared? must we have smeared? must you have smeared? must they have smeared?	must I have been smearing? must you have been smearing? must she have been smearing? must we have been smearing? must you have been smearing? must they have been smearing?

Interro-negative form

Simple form	V-ing form
mustn't I smear? mustn't you smear? mustn't she smear? mustn't we smear? mustn't you smear? mustn't they smear?	mustn't I be smearing? mustn't you be smearing? mustn't she be smearing? mustn't we be smearing? mustn't you be smearing? mustn't they be smearing?
Perfect	V-ing perfect
mustn't I have smeared? mustn't you have smeared? mustn't she have smeared? mustn't we have smeared? mustn't you have smeared? mustn't they have smeared?	mustn't I have been smearing? mustn't you have been smearing? mustn't she have been smearing? mustn't we have been smearing? mustn't you have been smearing? mustn't they have been smearing?