English verb conjugation
COULD SNUG

Regular verb: snug - snugged - snugged

Affirmation

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