English verb conjugation
MUST TAMBOUR

Regular verb: tambour - tamboured - tamboured

Affirmation

Simple form	V-ing form
I must tambour you must tambour he must tambour we must tambour you must tambour they must tambour	I must be tambouring you must be tambouring he must be tambouring we must be tambouring you must be tambouring they must be tambouring
Perfect	V-ing perfect
I must have tamboured you must have tamboured he must have tamboured we must have tamboured you must have tamboured they must have tamboured	I must have been tambouring you must have been tambouring he must have been tambouring we must have been tambouring you must have been tambouring they must have been tambouring

Negation

Simple form	V-ing form
I must not tambour you must not tambour he must not tambour we must not tambour you must not tambour they must not tambour	I must not be tambouring you must not be tambouring he must not be tambouring we must not be tambouring you must not be tambouring they must not be tambouring
Perfect	V-ing perfect
I must not have tamboured you must not have tamboured he must not have tamboured we must not have tamboured you must not have tamboured they must not have tamboured	I must not have been tambouring you must not have been tambouring he must not have been tambouring we must not have been tambouring you must not have been tambouring they must not have been tambouring

Interrogative form

Simple form	V-ing form
must I tambour? must you tambour? must he tambour? must we tambour? must you tambour? must they tambour?	must I be tambouring? must you be tambouring? must he be tambouring? must we be tambouring? must you be tambouring? must they be tambouring?
Perfect	V-ing perfect
must I have tamboured? must you have tamboured? must he have tamboured? must we have tamboured? must you have tamboured? must they have tamboured?	must I have been tambouring? must you have been tambouring? must he have been tambouring? must we have been tambouring? must you have been tambouring? must they have been tambouring?

Interro-negative form

Simple form	V-ing form
must I not tambour? must you not tambour? must he not tambour? must we not tambour? must you not tambour? must they not tambour?	must I not be tambouring? must you not be tambouring? must he not be tambouring? must we not be tambouring? must you not be tambouring? must they not be tambouring?
Perfect	V-ing perfect
must I not have tamboured? must you not have tamboured? must he not have tamboured? must we not have tamboured? must you not have tamboured? must they not have tamboured?	must I not have been tambouring? must you not have been tambouring? must he not have been tambouring? must we not have been tambouring? must you not have been tambouring? must they not have been tambouring?