English verb conjugation
MUST TAMP

Regular verb: tamp - tamped - tamped

Affirmation

Simple form	V-ing form
I must tamp you must tamp he must tamp we must tamp you must tamp they must tamp	I must be tamping you must be tamping he must be tamping we must be tamping you must be tamping they must be tamping
Perfect	V-ing perfect
I must have tamped you must have tamped he must have tamped we must have tamped you must have tamped they must have tamped	I must have been tamping you must have been tamping he must have been tamping we must have been tamping you must have been tamping they must have been tamping

Negation

Simple form	V-ing form
I must not tamp you must not tamp he must not tamp we must not tamp you must not tamp they must not tamp	I must not be tamping you must not be tamping he must not be tamping we must not be tamping you must not be tamping they must not be tamping
Perfect	V-ing perfect
I must not have tamped you must not have tamped he must not have tamped we must not have tamped you must not have tamped they must not have tamped	I must not have been tamping you must not have been tamping he must not have been tamping we must not have been tamping you must not have been tamping they must not have been tamping

Interrogative form

Simple form	V-ing form
must I tamp? must you tamp? must he tamp? must we tamp? must you tamp? must they tamp?	must I be tamping? must you be tamping? must he be tamping? must we be tamping? must you be tamping? must they be tamping?
Perfect	V-ing perfect
must I have tamped? must you have tamped? must he have tamped? must we have tamped? must you have tamped? must they have tamped?	must I have been tamping? must you have been tamping? must he have been tamping? must we have been tamping? must you have been tamping? must they have been tamping?

Interro-negative form

Simple form	V-ing form
must I not tamp? must you not tamp? must he not tamp? must we not tamp? must you not tamp? must they not tamp?	must I not be tamping? must you not be tamping? must he not be tamping? must we not be tamping? must you not be tamping? must they not be tamping?
Perfect	V-ing perfect
must I not have tamped? must you not have tamped? must he not have tamped? must we not have tamped? must you not have tamped? must they not have tamped?	must I not have been tamping? must you not have been tamping? must he not have been tamping? must we not have been tamping? must you not have been tamping? must they not have been tamping?