English verb conjugation
MUST DUMP

Regular verb: dump - dumped - dumped

Affirmation

Simple form	V-ing form
I must dump you must dump he must dump we must dump you must dump they must dump	I must be dumping you must be dumping he must be dumping we must be dumping you must be dumping they must be dumping
Perfect	V-ing perfect
I must have dumped you must have dumped he must have dumped we must have dumped you must have dumped they must have dumped	I must have been dumping you must have been dumping he must have been dumping we must have been dumping you must have been dumping they must have been dumping

Negation

Simple form	V-ing form
I must not dump you must not dump he must not dump we must not dump you must not dump they must not dump	I must not be dumping you must not be dumping he must not be dumping we must not be dumping you must not be dumping they must not be dumping
Perfect	V-ing perfect
I must not have dumped you must not have dumped he must not have dumped we must not have dumped you must not have dumped they must not have dumped	I must not have been dumping you must not have been dumping he must not have been dumping we must not have been dumping you must not have been dumping they must not have been dumping

Interrogative form

Simple form	V-ing form
must I dump? must you dump? must he dump? must we dump? must you dump? must they dump?	must I be dumping? must you be dumping? must he be dumping? must we be dumping? must you be dumping? must they be dumping?
Perfect	V-ing perfect
must I have dumped? must you have dumped? must he have dumped? must we have dumped? must you have dumped? must they have dumped?	must I have been dumping? must you have been dumping? must he have been dumping? must we have been dumping? must you have been dumping? must they have been dumping?

Interro-negative form

Simple form	V-ing form
must I not dump? must you not dump? must he not dump? must we not dump? must you not dump? must they not dump?	must I not be dumping? must you not be dumping? must he not be dumping? must we not be dumping? must you not be dumping? must they not be dumping?
Perfect	V-ing perfect
must I not have dumped? must you not have dumped? must he not have dumped? must we not have dumped? must you not have dumped? must they not have dumped?	must I not have been dumping? must you not have been dumping? must he not have been dumping? must we not have been dumping? must you not have been dumping? must they not have been dumping?