could snug
Regular verb: snug - snugged- snugged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could snug
you could snug
she could snug
we could snug
you could snug
they could snug 	I could be snugging
you could be snugging
she could be snugging
we could be snugging
you could be snugging
they could be snugging	I could have snugged
you could have snugged
she could have snugged
we could have snugged
you could have snugged
they could have snugged	I could have been snugging
you could have been snugging
she could have been snugging
we could have been snugging
you could have been snugging
they could have been snugging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't snug
you couldn't snug
she couldn't snug
we couldn't snug
you couldn't snug
they couldn't snug 	I couldn't be snugging
you couldn't be snugging
she couldn't be snugging
we couldn't be snugging
you couldn't be snugging
they couldn't be snugging	I couldn't have snugged
you couldn't have snugged
she couldn't have snugged
we couldn't have snugged
you couldn't have snugged
they couldn't have snugged	I couldn't have been snugging
you couldn't have been snugging
she couldn't have been snugging
we couldn't have been snugging
you couldn't have been snugging
they couldn't have been snugging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I snug?
could you snug?
could she snug?
could we snug?
could you snug?
could they snug? 	could I be snugging?
could you be snugging?
could she be snugging?
could we be snugging?
could you be snugging?
could they be snugging? 	could I have snugged?
could you have snugged?
could she have snugged?
could we have snugged?
could you have snugged?
could they have snugged? 	could I have been snugging?
could you have been snugging?
could she have been snugging?
could we have been snugging?
could you have been snugging?
could they have been snugging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I snug?
couldn't you snug?
couldn't she snug?
couldn't we snug?
couldn't you snug?
couldn't they snug? 	couldn't I be snugging?
couldn't you be snugging?
couldn't she be snugging?
couldn't we be snugging?
couldn't you be snugging?
couldn't they be snugging? 	couldn't I have snugged?
couldn't you have snugged?
couldn't she have snugged?
couldn't we have snugged?
couldn't you have snugged?
couldn't they have snugged? 	couldn't I have been snugging?
couldn't you have been snugging?
couldn't she have been snugging?
couldn't we have been snugging?
couldn't you have been snugging?
couldn't they have been snugging?