English verb conjugation
MUST SCHMEAR

Regular verb: schmear - schmeared - schmeared

Affirmation

Simple form	V-ing form
I must schmear you must schmear he must schmear we must schmear you must schmear they must schmear	I must be schmearing you must be schmearing he must be schmearing we must be schmearing you must be schmearing they must be schmearing
Perfect	V-ing perfect
I must have schmeared you must have schmeared he must have schmeared we must have schmeared you must have schmeared they must have schmeared	I must have been schmearing you must have been schmearing he must have been schmearing we must have been schmearing you must have been schmearing they must have been schmearing

Negation

Simple form	V-ing form
I must not schmear you must not schmear he must not schmear we must not schmear you must not schmear they must not schmear	I must not be schmearing you must not be schmearing he must not be schmearing we must not be schmearing you must not be schmearing they must not be schmearing
Perfect	V-ing perfect
I must not have schmeared you must not have schmeared he must not have schmeared we must not have schmeared you must not have schmeared they must not have schmeared	I must not have been schmearing you must not have been schmearing he must not have been schmearing we must not have been schmearing you must not have been schmearing they must not have been schmearing

Interrogative form

Simple form	V-ing form
must I schmear? must you schmear? must he schmear? must we schmear? must you schmear? must they schmear?	must I be schmearing? must you be schmearing? must he be schmearing? must we be schmearing? must you be schmearing? must they be schmearing?
Perfect	V-ing perfect
must I have schmeared? must you have schmeared? must he have schmeared? must we have schmeared? must you have schmeared? must they have schmeared?	must I have been schmearing? must you have been schmearing? must he have been schmearing? must we have been schmearing? must you have been schmearing? must they have been schmearing?

Interro-negative form

Simple form	V-ing form
must I not schmear? must you not schmear? must he not schmear? must we not schmear? must you not schmear? must they not schmear?	must I not be schmearing? must you not be schmearing? must he not be schmearing? must we not be schmearing? must you not be schmearing? must they not be schmearing?
Perfect	V-ing perfect
must I not have schmeared? must you not have schmeared? must he not have schmeared? must we not have schmeared? must you not have schmeared? must they not have schmeared?	must I not have been schmearing? must you not have been schmearing? must he not have been schmearing? must we not have been schmearing? must you not have been schmearing? must they not have been schmearing?