English verb conjugation
COULD BAKE

Regular verb: bake - baked - baked

Affirmation

Simple form	V-ing form
I could bake you could bake she could bake we could bake you could bake they could bake	I could be baking you could be baking she could be baking we could be baking you could be baking they could be baking
Perfect	V-ing perfect
I could have baked you could have baked she could have baked we could have baked you could have baked they could have baked	I could have been baking you could have been baking she could have been baking we could have been baking you could have been baking they could have been baking

Negation

Simple form	V-ing form
I couldn't bake you couldn't bake she couldn't bake we couldn't bake you couldn't bake they couldn't bake	I couldn't be baking you couldn't be baking she couldn't be baking we couldn't be baking you couldn't be baking they couldn't be baking
Perfect	V-ing perfect
I couldn't have baked you couldn't have baked she couldn't have baked we couldn't have baked you couldn't have baked they couldn't have baked	I couldn't have been baking you couldn't have been baking she couldn't have been baking we couldn't have been baking you couldn't have been baking they couldn't have been baking

Interrogative form

Simple form	V-ing form
could I bake? could you bake? could she bake? could we bake? could you bake? could they bake?	could I be baking? could you be baking? could she be baking? could we be baking? could you be baking? could they be baking?
Perfect	V-ing perfect
could I have baked? could you have baked? could she have baked? could we have baked? could you have baked? could they have baked?	could I have been baking? could you have been baking? could she have been baking? could we have been baking? could you have been baking? could they have been baking?

Interro-negative form

Simple form	V-ing form
couldn't I bake? couldn't you bake? couldn't she bake? couldn't we bake? couldn't you bake? couldn't they bake?	couldn't I be baking? couldn't you be baking? couldn't she be baking? couldn't we be baking? couldn't you be baking? couldn't they be baking?
Perfect	V-ing perfect
couldn't I have baked? couldn't you have baked? couldn't she have baked? couldn't we have baked? couldn't you have baked? couldn't they have baked?	couldn't I have been baking? couldn't you have been baking? couldn't she have been baking? couldn't we have been baking? couldn't you have been baking? couldn't they have been baking?