English verb conjugation
MUST SNIGGER

Regular verb: snigger - sniggered - sniggered

Affirmation

Simple form	V-ing form
I must snigger you must snigger he must snigger we must snigger you must snigger they must snigger	I must be sniggering you must be sniggering he must be sniggering we must be sniggering you must be sniggering they must be sniggering
Perfect	V-ing perfect
I must have sniggered you must have sniggered he must have sniggered we must have sniggered you must have sniggered they must have sniggered	I must have been sniggering you must have been sniggering he must have been sniggering we must have been sniggering you must have been sniggering they must have been sniggering

Negation

Simple form	V-ing form
I must not snigger you must not snigger he must not snigger we must not snigger you must not snigger they must not snigger	I must not be sniggering you must not be sniggering he must not be sniggering we must not be sniggering you must not be sniggering they must not be sniggering
Perfect	V-ing perfect
I must not have sniggered you must not have sniggered he must not have sniggered we must not have sniggered you must not have sniggered they must not have sniggered	I must not have been sniggering you must not have been sniggering he must not have been sniggering we must not have been sniggering you must not have been sniggering they must not have been sniggering

Interrogative form

Simple form	V-ing form
must I snigger? must you snigger? must he snigger? must we snigger? must you snigger? must they snigger?	must I be sniggering? must you be sniggering? must he be sniggering? must we be sniggering? must you be sniggering? must they be sniggering?
Perfect	V-ing perfect
must I have sniggered? must you have sniggered? must he have sniggered? must we have sniggered? must you have sniggered? must they have sniggered?	must I have been sniggering? must you have been sniggering? must he have been sniggering? must we have been sniggering? must you have been sniggering? must they have been sniggering?

Interro-negative form

Simple form	V-ing form
must I not snigger? must you not snigger? must he not snigger? must we not snigger? must you not snigger? must they not snigger?	must I not be sniggering? must you not be sniggering? must he not be sniggering? must we not be sniggering? must you not be sniggering? must they not be sniggering?
Perfect	V-ing perfect
must I not have sniggered? must you not have sniggered? must he not have sniggered? must we not have sniggered? must you not have sniggered? must they not have sniggered?	must I not have been sniggering? must you not have been sniggering? must he not have been sniggering? must we not have been sniggering? must you not have been sniggering? must they not have been sniggering?