English verb conjugation
MUST CLOBBER

Regular verb: clobber - clobbered - clobbered

Affirmation

Simple form	V-ing form
I must clobber you must clobber he must clobber we must clobber you must clobber they must clobber	I must be clobbering you must be clobbering he must be clobbering we must be clobbering you must be clobbering they must be clobbering
Perfect	V-ing perfect
I must have clobbered you must have clobbered he must have clobbered we must have clobbered you must have clobbered they must have clobbered	I must have been clobbering you must have been clobbering he must have been clobbering we must have been clobbering you must have been clobbering they must have been clobbering

Negation

Simple form	V-ing form
I must not clobber you must not clobber he must not clobber we must not clobber you must not clobber they must not clobber	I must not be clobbering you must not be clobbering he must not be clobbering we must not be clobbering you must not be clobbering they must not be clobbering
Perfect	V-ing perfect
I must not have clobbered you must not have clobbered he must not have clobbered we must not have clobbered you must not have clobbered they must not have clobbered	I must not have been clobbering you must not have been clobbering he must not have been clobbering we must not have been clobbering you must not have been clobbering they must not have been clobbering

Interrogative form

Simple form	V-ing form
must I clobber? must you clobber? must he clobber? must we clobber? must you clobber? must they clobber?	must I be clobbering? must you be clobbering? must he be clobbering? must we be clobbering? must you be clobbering? must they be clobbering?
Perfect	V-ing perfect
must I have clobbered? must you have clobbered? must he have clobbered? must we have clobbered? must you have clobbered? must they have clobbered?	must I have been clobbering? must you have been clobbering? must he have been clobbering? must we have been clobbering? must you have been clobbering? must they have been clobbering?

Interro-negative form

Simple form	V-ing form
must I not clobber? must you not clobber? must he not clobber? must we not clobber? must you not clobber? must they not clobber?	must I not be clobbering? must you not be clobbering? must he not be clobbering? must we not be clobbering? must you not be clobbering? must they not be clobbering?
Perfect	V-ing perfect
must I not have clobbered? must you not have clobbered? must he not have clobbered? must we not have clobbered? must you not have clobbered? must they not have clobbered?	must I not have been clobbering? must you not have been clobbering? must he not have been clobbering? must we not have been clobbering? must you not have been clobbering? must they not have been clobbering?