English verb conjugation
COULD SNUFFLE

Regular verb: snuffle - snuffled - snuffled

Affirmation

Simple form	V-ing form
I could snuffle you could snuffle he could snuffle we could snuffle you could snuffle they could snuffle	I could be snuffling you could be snuffling he could be snuffling we could be snuffling you could be snuffling they could be snuffling
Perfect	V-ing perfect
I could have snuffled you could have snuffled he could have snuffled we could have snuffled you could have snuffled they could have snuffled	I could have been snuffling you could have been snuffling he could have been snuffling we could have been snuffling you could have been snuffling they could have been snuffling

Negation

Simple form	V-ing form
I could not snuffle you could not snuffle he could not snuffle we could not snuffle you could not snuffle they could not snuffle	I could not be snuffling you could not be snuffling he could not be snuffling we could not be snuffling you could not be snuffling they could not be snuffling
Perfect	V-ing perfect
I could not have snuffled you could not have snuffled he could not have snuffled we could not have snuffled you could not have snuffled they could not have snuffled	I could not have been snuffling you could not have been snuffling he could not have been snuffling we could not have been snuffling you could not have been snuffling they could not have been snuffling

Interrogative form

Simple form	V-ing form
could I snuffle? could you snuffle? could he snuffle? could we snuffle? could you snuffle? could they snuffle?	could I be snuffling? could you be snuffling? could he be snuffling? could we be snuffling? could you be snuffling? could they be snuffling?
Perfect	V-ing perfect
could I have snuffled? could you have snuffled? could he have snuffled? could we have snuffled? could you have snuffled? could they have snuffled?	could I have been snuffling? could you have been snuffling? could he have been snuffling? could we have been snuffling? could you have been snuffling? could they have been snuffling?

Interro-negative form

Simple form	V-ing form
could I not snuffle? could you not snuffle? could he not snuffle? could we not snuffle? could you not snuffle? could they not snuffle?	could I not be snuffling? could you not be snuffling? could he not be snuffling? could we not be snuffling? could you not be snuffling? could they not be snuffling?
Perfect	V-ing perfect
could I not have snuffled? could you not have snuffled? could he not have snuffled? could we not have snuffled? could you not have snuffled? could they not have snuffled?	could I not have been snuffling? could you not have been snuffling? could he not have been snuffling? could we not have been snuffling? could you not have been snuffling? could they not have been snuffling?