English verb conjugation
MUST BELABOUR

Regular verb: belabour - belaboured - belaboured

Affirmation

Simple form	V-ing form
I must belabour you must belabour he must belabour we must belabour you must belabour they must belabour	I must be belabouring you must be belabouring he must be belabouring we must be belabouring you must be belabouring they must be belabouring
Perfect	V-ing perfect
I must have belaboured you must have belaboured he must have belaboured we must have belaboured you must have belaboured they must have belaboured	I must have been belabouring you must have been belabouring he must have been belabouring we must have been belabouring you must have been belabouring they must have been belabouring

Negation

Simple form	V-ing form
I must not belabour you must not belabour he must not belabour we must not belabour you must not belabour they must not belabour	I must not be belabouring you must not be belabouring he must not be belabouring we must not be belabouring you must not be belabouring they must not be belabouring
Perfect	V-ing perfect
I must not have belaboured you must not have belaboured he must not have belaboured we must not have belaboured you must not have belaboured they must not have belaboured	I must not have been belabouring you must not have been belabouring he must not have been belabouring we must not have been belabouring you must not have been belabouring they must not have been belabouring

Interrogative form

Simple form	V-ing form
must I belabour? must you belabour? must he belabour? must we belabour? must you belabour? must they belabour?	must I be belabouring? must you be belabouring? must he be belabouring? must we be belabouring? must you be belabouring? must they be belabouring?
Perfect	V-ing perfect
must I have belaboured? must you have belaboured? must he have belaboured? must we have belaboured? must you have belaboured? must they have belaboured?	must I have been belabouring? must you have been belabouring? must he have been belabouring? must we have been belabouring? must you have been belabouring? must they have been belabouring?

Interro-negative form

Simple form	V-ing form
must I not belabour? must you not belabour? must he not belabour? must we not belabour? must you not belabour? must they not belabour?	must I not be belabouring? must you not be belabouring? must he not be belabouring? must we not be belabouring? must you not be belabouring? must they not be belabouring?
Perfect	V-ing perfect
must I not have belaboured? must you not have belaboured? must he not have belaboured? must we not have belaboured? must you not have belaboured? must they not have belaboured?	must I not have been belabouring? must you not have been belabouring? must he not have been belabouring? must we not have been belabouring? must you not have been belabouring? must they not have been belabouring?