English verb conjugation
COULD SNAKE

Regular verb: snake - snaked - snaked

Affirmation

Simple form	V-ing form
I could snake you could snake she could snake we could snake you could snake they could snake	I could be snaking you could be snaking she could be snaking we could be snaking you could be snaking they could be snaking
Perfect	V-ing perfect
I could have snaked you could have snaked she could have snaked we could have snaked you could have snaked they could have snaked	I could have been snaking you could have been snaking she could have been snaking we could have been snaking you could have been snaking they could have been snaking

Negation

Simple form	V-ing form
I couldn't snake you couldn't snake she couldn't snake we couldn't snake you couldn't snake they couldn't snake	I couldn't be snaking you couldn't be snaking she couldn't be snaking we couldn't be snaking you couldn't be snaking they couldn't be snaking
Perfect	V-ing perfect
I couldn't have snaked you couldn't have snaked she couldn't have snaked we couldn't have snaked you couldn't have snaked they couldn't have snaked	I couldn't have been snaking you couldn't have been snaking she couldn't have been snaking we couldn't have been snaking you couldn't have been snaking they couldn't have been snaking

Interrogative form

Simple form	V-ing form
could I snake? could you snake? could she snake? could we snake? could you snake? could they snake?	could I be snaking? could you be snaking? could she be snaking? could we be snaking? could you be snaking? could they be snaking?
Perfect	V-ing perfect
could I have snaked? could you have snaked? could she have snaked? could we have snaked? could you have snaked? could they have snaked?	could I have been snaking? could you have been snaking? could she have been snaking? could we have been snaking? could you have been snaking? could they have been snaking?

Interro-negative form

Simple form	V-ing form
couldn't I snake? couldn't you snake? couldn't she snake? couldn't we snake? couldn't you snake? couldn't they snake?	couldn't I be snaking? couldn't you be snaking? couldn't she be snaking? couldn't we be snaking? couldn't you be snaking? couldn't they be snaking?
Perfect	V-ing perfect
couldn't I have snaked? couldn't you have snaked? couldn't she have snaked? couldn't we have snaked? couldn't you have snaked? couldn't they have snaked?	couldn't I have been snaking? couldn't you have been snaking? couldn't she have been snaking? couldn't we have been snaking? couldn't you have been snaking? couldn't they have been snaking?