English verb conjugation
COULD SNAFU

Regular verb: snafu - snafued - snafued

Affirmation

Simple form	V-ing form
I could snafu you could snafu he could snafu we could snafu you could snafu they could snafu	I could be snafuing you could be snafuing he could be snafuing we could be snafuing you could be snafuing they could be snafuing
Perfect	V-ing perfect
I could have snafued you could have snafued he could have snafued we could have snafued you could have snafued they could have snafued	I could have been snafuing you could have been snafuing he could have been snafuing we could have been snafuing you could have been snafuing they could have been snafuing

Negation

Simple form	V-ing form
I couldn't snafu you couldn't snafu he couldn't snafu we couldn't snafu you couldn't snafu they couldn't snafu	I couldn't be snafuing you couldn't be snafuing he couldn't be snafuing we couldn't be snafuing you couldn't be snafuing they couldn't be snafuing
Perfect	V-ing perfect
I couldn't have snafued you couldn't have snafued he couldn't have snafued we couldn't have snafued you couldn't have snafued they couldn't have snafued	I couldn't have been snafuing you couldn't have been snafuing he couldn't have been snafuing we couldn't have been snafuing you couldn't have been snafuing they couldn't have been snafuing

Interrogative form

Simple form	V-ing form
could I snafu? could you snafu? could he snafu? could we snafu? could you snafu? could they snafu?	could I be snafuing? could you be snafuing? could he be snafuing? could we be snafuing? could you be snafuing? could they be snafuing?
Perfect	V-ing perfect
could I have snafued? could you have snafued? could he have snafued? could we have snafued? could you have snafued? could they have snafued?	could I have been snafuing? could you have been snafuing? could he have been snafuing? could we have been snafuing? could you have been snafuing? could they have been snafuing?

Interro-negative form

Simple form	V-ing form
couldn't I snafu? couldn't you snafu? couldn't he snafu? couldn't we snafu? couldn't you snafu? couldn't they snafu?	couldn't I be snafuing? couldn't you be snafuing? couldn't he be snafuing? couldn't we be snafuing? couldn't you be snafuing? couldn't they be snafuing?
Perfect	V-ing perfect
couldn't I have snafued? couldn't you have snafued? couldn't he have snafued? couldn't we have snafued? couldn't you have snafued? couldn't they have snafued?	couldn't I have been snafuing? couldn't you have been snafuing? couldn't he have been snafuing? couldn't we have been snafuing? couldn't you have been snafuing? couldn't they have been snafuing?