English verb conjugation
COULD HANG-GLIDE

Regular verb: hang-glide - hang-glided - hang-glided

Affirmation

Simple form	V-ing form
I could hang-glide you could hang-glide he could hang-glide we could hang-glide you could hang-glide they could hang-glide	I could be hang-gliding you could be hang-gliding he could be hang-gliding we could be hang-gliding you could be hang-gliding they could be hang-gliding
Perfect	V-ing perfect
I could have hang-glided you could have hang-glided he could have hang-glided we could have hang-glided you could have hang-glided they could have hang-glided	I could have been hang-gliding you could have been hang-gliding he could have been hang-gliding we could have been hang-gliding you could have been hang-gliding they could have been hang-gliding

Negation

Simple form	V-ing form
I couldn't hang-glide you couldn't hang-glide he couldn't hang-glide we couldn't hang-glide you couldn't hang-glide they couldn't hang-glide	I couldn't be hang-gliding you couldn't be hang-gliding he couldn't be hang-gliding we couldn't be hang-gliding you couldn't be hang-gliding they couldn't be hang-gliding
Perfect	V-ing perfect
I couldn't have hang-glided you couldn't have hang-glided he couldn't have hang-glided we couldn't have hang-glided you couldn't have hang-glided they couldn't have hang-glided	I couldn't have been hang-gliding you couldn't have been hang-gliding he couldn't have been hang-gliding we couldn't have been hang-gliding you couldn't have been hang-gliding they couldn't have been hang-gliding

Interrogative form

Simple form	V-ing form
could I hang-glide? could you hang-glide? could he hang-glide? could we hang-glide? could you hang-glide? could they hang-glide?	could I be hang-gliding? could you be hang-gliding? could he be hang-gliding? could we be hang-gliding? could you be hang-gliding? could they be hang-gliding?
Perfect	V-ing perfect
could I have hang-glided? could you have hang-glided? could he have hang-glided? could we have hang-glided? could you have hang-glided? could they have hang-glided?	could I have been hang-gliding? could you have been hang-gliding? could he have been hang-gliding? could we have been hang-gliding? could you have been hang-gliding? could they have been hang-gliding?

Interro-negative form

Simple form	V-ing form
couldn't I hang-glide? couldn't you hang-glide? couldn't he hang-glide? couldn't we hang-glide? couldn't you hang-glide? couldn't they hang-glide?	couldn't I be hang-gliding? couldn't you be hang-gliding? couldn't he be hang-gliding? couldn't we be hang-gliding? couldn't you be hang-gliding? couldn't they be hang-gliding?
Perfect	V-ing perfect
couldn't I have hang-glided? couldn't you have hang-glided? couldn't he have hang-glided? couldn't we have hang-glided? couldn't you have hang-glided? couldn't they have hang-glided?	couldn't I have been hang-gliding? couldn't you have been hang-gliding? couldn't he have been hang-gliding? couldn't we have been hang-gliding? couldn't you have been hang-gliding? couldn't they have been hang-gliding?