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 couldn't snuffle you couldn't snuffle he couldn't snuffle we couldn't snuffle you couldn't snuffle they couldn't snuffle	I couldn't be snuffling you couldn't be snuffling he couldn't be snuffling we couldn't be snuffling you couldn't be snuffling they couldn't be snuffling
Perfect	V-ing perfect
I couldn't have snuffled you couldn't have snuffled he couldn't have snuffled we couldn't have snuffled you couldn't have snuffled they couldn't have snuffled	I couldn't have been snuffling you couldn't have been snuffling he couldn't have been snuffling we couldn't have been snuffling you couldn't have been snuffling they couldn't 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
couldn't I snuffle? couldn't you snuffle? couldn't he snuffle? couldn't we snuffle? couldn't you snuffle? couldn't they snuffle?	couldn't I be snuffling? couldn't you be snuffling? couldn't he be snuffling? couldn't we be snuffling? couldn't you be snuffling? couldn't they be snuffling?
Perfect	V-ing perfect
couldn't I have snuffled? couldn't you have snuffled? couldn't he have snuffled? couldn't we have snuffled? couldn't you have snuffled? couldn't they have snuffled?	couldn't I have been snuffling? couldn't you have been snuffling? couldn't he have been snuffling? couldn't we have been snuffling? couldn't you have been snuffling? couldn't they have been snuffling?