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 must not smear you must not smear she must not smear we must not smear you must not smear they must not smear	I must not be smearing you must not be smearing she must not be smearing we must not be smearing you must not be smearing they must not be smearing
Perfect	V-ing perfect
I must not have smeared you must not have smeared she must not have smeared we must not have smeared you must not have smeared they must not have smeared	I must not have been smearing you must not have been smearing she must not have been smearing we must not have been smearing you must not have been smearing they must not 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
must I not smear? must you not smear? must she not smear? must we not smear? must you not smear? must they not smear?	must I not be smearing? must you not be smearing? must she not be smearing? must we not be smearing? must you not be smearing? must they not be smearing?
Perfect	V-ing perfect
must I not have smeared? must you not have smeared? must she not have smeared? must we not have smeared? must you not have smeared? must they not have smeared?	must I not have been smearing? must you not have been smearing? must she not have been smearing? must we not have been smearing? must you not have been smearing? must they not have been smearing?