English verb conjugation
MUST SMEAR

Regular verb: smear - smeared - smeared

Affirmation

Simple form	V-ing form
I must smear you must smear he must smear we must smear you must smear they must smear	I must be smearing you must be smearing he 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 he 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 he 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 he 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 he 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 he 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 he 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 he smear? must we smear? must you smear? must they smear?	must I be smearing? must you be smearing? must he 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 he 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 he 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 he 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 he 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 he 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 he have been smearing? mustn't we have been smearing? mustn't you have been smearing? mustn't they have been smearing?