could snog
Regular verb: snog - snogged- snogged

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't snog
you couldn't snog
she couldn't snog
we couldn't snog
you couldn't snog
they couldn't snog 	I couldn't be snogging
you couldn't be snogging
she couldn't be snogging
we couldn't be snogging
you couldn't be snogging
they couldn't be snogging	I couldn't have snogged
you couldn't have snogged
she couldn't have snogged
we couldn't have snogged
you couldn't have snogged
they couldn't have snogged	I couldn't have been snogging
you couldn't have been snogging
she couldn't have been snogging
we couldn't have been snogging
you couldn't have been snogging
they couldn't have been snogging	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I snog?
couldn't you snog?
couldn't she snog?
couldn't we snog?
couldn't you snog?
couldn't they snog? 	couldn't I be snogging?
couldn't you be snogging?
couldn't she be snogging?
couldn't we be snogging?
couldn't you be snogging?
couldn't they be snogging? 	couldn't I have snogged?
couldn't you have snogged?
couldn't she have snogged?
couldn't we have snogged?
couldn't you have snogged?
couldn't they have snogged? 	couldn't I have been snogging?
couldn't you have been snogging?
couldn't she have been snogging?
couldn't we have been snogging?
couldn't you have been snogging?
couldn't they have been snogging?