English verb conjugation
MUST UNDERSUPPLY

Regular verb: undersupply - undersupplied - undersupplied

Affirmation

Simple form	V-ing form
I must undersupply you must undersupply he must undersupply we must undersupply you must undersupply they must undersupply	I must be undersupplying you must be undersupplying he must be undersupplying we must be undersupplying you must be undersupplying they must be undersupplying
Perfect	V-ing perfect
I must have undersupplied you must have undersupplied he must have undersupplied we must have undersupplied you must have undersupplied they must have undersupplied	I must have been undersupplying you must have been undersupplying he must have been undersupplying we must have been undersupplying you must have been undersupplying they must have been undersupplying

Negation

Simple form	V-ing form
I must not undersupply you must not undersupply he must not undersupply we must not undersupply you must not undersupply they must not undersupply	I must not be undersupplying you must not be undersupplying he must not be undersupplying we must not be undersupplying you must not be undersupplying they must not be undersupplying
Perfect	V-ing perfect
I must not have undersupplied you must not have undersupplied he must not have undersupplied we must not have undersupplied you must not have undersupplied they must not have undersupplied	I must not have been undersupplying you must not have been undersupplying he must not have been undersupplying we must not have been undersupplying you must not have been undersupplying they must not have been undersupplying

Interrogative form

Simple form	V-ing form
must I undersupply? must you undersupply? must he undersupply? must we undersupply? must you undersupply? must they undersupply?	must I be undersupplying? must you be undersupplying? must he be undersupplying? must we be undersupplying? must you be undersupplying? must they be undersupplying?
Perfect	V-ing perfect
must I have undersupplied? must you have undersupplied? must he have undersupplied? must we have undersupplied? must you have undersupplied? must they have undersupplied?	must I have been undersupplying? must you have been undersupplying? must he have been undersupplying? must we have been undersupplying? must you have been undersupplying? must they have been undersupplying?

Interro-negative form

Simple form	V-ing form
must I not undersupply? must you not undersupply? must he not undersupply? must we not undersupply? must you not undersupply? must they not undersupply?	must I not be undersupplying? must you not be undersupplying? must he not be undersupplying? must we not be undersupplying? must you not be undersupplying? must they not be undersupplying?
Perfect	V-ing perfect
must I not have undersupplied? must you not have undersupplied? must he not have undersupplied? must we not have undersupplied? must you not have undersupplied? must they not have undersupplied?	must I not have been undersupplying? must you not have been undersupplying? must he not have been undersupplying? must we not have been undersupplying? must you not have been undersupplying? must they not have been undersupplying?