English verb conjugation
MUST THUMP

Regular verb: thump - thumped - thumped

Affirmation

Simple form	V-ing form
I must thump you must thump she must thump we must thump you must thump they must thump	I must be thumping you must be thumping she must be thumping we must be thumping you must be thumping they must be thumping
Perfect	V-ing perfect
I must have thumped you must have thumped she must have thumped we must have thumped you must have thumped they must have thumped	I must have been thumping you must have been thumping she must have been thumping we must have been thumping you must have been thumping they must have been thumping

Negation

Simple form	V-ing form
I must not thump you must not thump she must not thump we must not thump you must not thump they must not thump	I must not be thumping you must not be thumping she must not be thumping we must not be thumping you must not be thumping they must not be thumping
Perfect	V-ing perfect
I must not have thumped you must not have thumped she must not have thumped we must not have thumped you must not have thumped they must not have thumped	I must not have been thumping you must not have been thumping she must not have been thumping we must not have been thumping you must not have been thumping they must not have been thumping

Interrogative form

Simple form	V-ing form
must I thump? must you thump? must she thump? must we thump? must you thump? must they thump?	must I be thumping? must you be thumping? must she be thumping? must we be thumping? must you be thumping? must they be thumping?
Perfect	V-ing perfect
must I have thumped? must you have thumped? must she have thumped? must we have thumped? must you have thumped? must they have thumped?	must I have been thumping? must you have been thumping? must she have been thumping? must we have been thumping? must you have been thumping? must they have been thumping?

Interro-negative form

Simple form	V-ing form
must I not thump? must you not thump? must she not thump? must we not thump? must you not thump? must they not thump?	must I not be thumping? must you not be thumping? must she not be thumping? must we not be thumping? must you not be thumping? must they not be thumping?
Perfect	V-ing perfect
must I not have thumped? must you not have thumped? must she not have thumped? must we not have thumped? must you not have thumped? must they not have thumped?	must I not have been thumping? must you not have been thumping? must she not have been thumping? must we not have been thumping? must you not have been thumping? must they not have been thumping?