English verb conjugation
MUST PREBUILD

Irregular verb: prebuild - prebuilt - prebuilt

Affirmation

Simple form	V-ing form
I must prebuild you must prebuild he must prebuild we must prebuild you must prebuild they must prebuild	I must be prebuilding you must be prebuilding he must be prebuilding we must be prebuilding you must be prebuilding they must be prebuilding
Perfect	V-ing perfect
I must have prebuilt you must have prebuilt he must have prebuilt we must have prebuilt you must have prebuilt they must have prebuilt	I must have been prebuilding you must have been prebuilding he must have been prebuilding we must have been prebuilding you must have been prebuilding they must have been prebuilding

Negation

Simple form	V-ing form
I must not prebuild you must not prebuild he must not prebuild we must not prebuild you must not prebuild they must not prebuild	I must not be prebuilding you must not be prebuilding he must not be prebuilding we must not be prebuilding you must not be prebuilding they must not be prebuilding
Perfect	V-ing perfect
I must not have prebuilt you must not have prebuilt he must not have prebuilt we must not have prebuilt you must not have prebuilt they must not have prebuilt	I must not have been prebuilding you must not have been prebuilding he must not have been prebuilding we must not have been prebuilding you must not have been prebuilding they must not have been prebuilding

Interrogative form

Simple form	V-ing form
must I prebuild? must you prebuild? must he prebuild? must we prebuild? must you prebuild? must they prebuild?	must I be prebuilding? must you be prebuilding? must he be prebuilding? must we be prebuilding? must you be prebuilding? must they be prebuilding?
Perfect	V-ing perfect
must I have prebuilt? must you have prebuilt? must he have prebuilt? must we have prebuilt? must you have prebuilt? must they have prebuilt?	must I have been prebuilding? must you have been prebuilding? must he have been prebuilding? must we have been prebuilding? must you have been prebuilding? must they have been prebuilding?

Interro-negative form

Simple form	V-ing form
must I not prebuild? must you not prebuild? must he not prebuild? must we not prebuild? must you not prebuild? must they not prebuild?	must I not be prebuilding? must you not be prebuilding? must he not be prebuilding? must we not be prebuilding? must you not be prebuilding? must they not be prebuilding?
Perfect	V-ing perfect
must I not have prebuilt? must you not have prebuilt? must he not have prebuilt? must we not have prebuilt? must you not have prebuilt? must they not have prebuilt?	must I not have been prebuilding? must you not have been prebuilding? must he not have been prebuilding? must we not have been prebuilding? must you not have been prebuilding? must they not have been prebuilding?