English verb conjugation
COULD LID

Regular verb: lid - lided - lided

Affirmation

Simple form	V-ing form
I could lid you could lid he could lid we could lid you could lid they could lid	I could be liding you could be liding he could be liding we could be liding you could be liding they could be liding
Perfect	V-ing perfect
I could have lided you could have lided he could have lided we could have lided you could have lided they could have lided	I could have been liding you could have been liding he could have been liding we could have been liding you could have been liding they could have been liding

Negation

Simple form	V-ing form
I couldn't lid you couldn't lid he couldn't lid we couldn't lid you couldn't lid they couldn't lid	I couldn't be liding you couldn't be liding he couldn't be liding we couldn't be liding you couldn't be liding they couldn't be liding
Perfect	V-ing perfect
I couldn't have lided you couldn't have lided he couldn't have lided we couldn't have lided you couldn't have lided they couldn't have lided	I couldn't have been liding you couldn't have been liding he couldn't have been liding we couldn't have been liding you couldn't have been liding they couldn't have been liding

Interrogative form

Simple form	V-ing form
could I lid? could you lid? could he lid? could we lid? could you lid? could they lid?	could I be liding? could you be liding? could he be liding? could we be liding? could you be liding? could they be liding?
Perfect	V-ing perfect
could I have lided? could you have lided? could he have lided? could we have lided? could you have lided? could they have lided?	could I have been liding? could you have been liding? could he have been liding? could we have been liding? could you have been liding? could they have been liding?

Interro-negative form

Simple form	V-ing form
couldn't I lid? couldn't you lid? couldn't he lid? couldn't we lid? couldn't you lid? couldn't they lid?	couldn't I be liding? couldn't you be liding? couldn't he be liding? couldn't we be liding? couldn't you be liding? couldn't they be liding?
Perfect	V-ing perfect
couldn't I have lided? couldn't you have lided? couldn't he have lided? couldn't we have lided? couldn't you have lided? couldn't they have lided?	couldn't I have been liding? couldn't you have been liding? couldn't he have been liding? couldn't we have been liding? couldn't you have been liding? couldn't they have been liding?