English verb conjugation
MUST UNDERWHELM

Regular verb: underwhelm - underwhelmed - underwhelmed

Affirmation

Simple form	V-ing form
I must underwhelm you must underwhelm he must underwhelm we must underwhelm you must underwhelm they must underwhelm	I must be underwhelming you must be underwhelming he must be underwhelming we must be underwhelming you must be underwhelming they must be underwhelming
Perfect	V-ing perfect
I must have underwhelmed you must have underwhelmed he must have underwhelmed we must have underwhelmed you must have underwhelmed they must have underwhelmed	I must have been underwhelming you must have been underwhelming he must have been underwhelming we must have been underwhelming you must have been underwhelming they must have been underwhelming

Negation

Simple form	V-ing form
I must not underwhelm you must not underwhelm he must not underwhelm we must not underwhelm you must not underwhelm they must not underwhelm	I must not be underwhelming you must not be underwhelming he must not be underwhelming we must not be underwhelming you must not be underwhelming they must not be underwhelming
Perfect	V-ing perfect
I must not have underwhelmed you must not have underwhelmed he must not have underwhelmed we must not have underwhelmed you must not have underwhelmed they must not have underwhelmed	I must not have been underwhelming you must not have been underwhelming he must not have been underwhelming we must not have been underwhelming you must not have been underwhelming they must not have been underwhelming

Interrogative form

Simple form	V-ing form
must I underwhelm? must you underwhelm? must he underwhelm? must we underwhelm? must you underwhelm? must they underwhelm?	must I be underwhelming? must you be underwhelming? must he be underwhelming? must we be underwhelming? must you be underwhelming? must they be underwhelming?
Perfect	V-ing perfect
must I have underwhelmed? must you have underwhelmed? must he have underwhelmed? must we have underwhelmed? must you have underwhelmed? must they have underwhelmed?	must I have been underwhelming? must you have been underwhelming? must he have been underwhelming? must we have been underwhelming? must you have been underwhelming? must they have been underwhelming?

Interro-negative form

Simple form	V-ing form
must I not underwhelm? must you not underwhelm? must he not underwhelm? must we not underwhelm? must you not underwhelm? must they not underwhelm?	must I not be underwhelming? must you not be underwhelming? must he not be underwhelming? must we not be underwhelming? must you not be underwhelming? must they not be underwhelming?
Perfect	V-ing perfect
must I not have underwhelmed? must you not have underwhelmed? must he not have underwhelmed? must we not have underwhelmed? must you not have underwhelmed? must they not have underwhelmed?	must I not have been underwhelming? must you not have been underwhelming? must he not have been underwhelming? must we not have been underwhelming? must you not have been underwhelming? must they not have been underwhelming?