must snog
Regular verb: snog - snogged- snogged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must snog
you must snog
he must snog
we must snog
you must snog
they must snog 	I must be snogging
you must be snogging
he must be snogging
we must be snogging
you must be snogging
they must be snogging	I must have snogged
you must have snogged
he must have snogged
we must have snogged
you must have snogged
they must have snogged	I must have been snogging
you must have been snogging
he must have been snogging
we must have been snogging
you must have been snogging
they must have been snogging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not snog
you must not snog
he must not snog
we must not snog
you must not snog
they must not snog 	I must not be snogging
you must not be snogging
he must not be snogging
we must not be snogging
you must not be snogging
they must not be snogging	I must not have snogged
you must not have snogged
he must not have snogged
we must not have snogged
you must not have snogged
they must not have snogged	I must not have been snogging
you must not have been snogging
he must not have been snogging
we must not have been snogging
you must not have been snogging
they must not have been snogging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I snog?
must you snog?
must he snog?
must we snog?
must you snog?
must they snog? 	must I be snogging?
must you be snogging?
must he be snogging?
must we be snogging?
must you be snogging?
must they be snogging? 	must I have snogged?
must you have snogged?
must he have snogged?
must we have snogged?
must you have snogged?
must they have snogged? 	must I have been snogging?
must you have been snogging?
must he have been snogging?
must we have been snogging?
must you have been snogging?
must they have been snogging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not snog?
must you not snog?
must he not snog?
must we not snog?
must you not snog?
must they not snog? 	must I not be snogging?
must you not be snogging?
must he not be snogging?
must we not be snogging?
must you not be snogging?
must they not be snogging? 	must I not have snogged?
must you not have snogged?
must he not have snogged?
must we not have snogged?
must you not have snogged?
must they not have snogged? 	must I not have been snogging?
must you not have been snogging?
must he not have been snogging?
must we not have been snogging?
must you not have been snogging?
must they not have been snogging?