English verb conjugation
COULD HOOK

Regular verb: hook - hooked - hooked

Affirmation

Simple form	V-ing form
I could hook you could hook she could hook we could hook you could hook they could hook	I could be hooking you could be hooking she could be hooking we could be hooking you could be hooking they could be hooking
Perfect	V-ing perfect
I could have hooked you could have hooked she could have hooked we could have hooked you could have hooked they could have hooked	I could have been hooking you could have been hooking she could have been hooking we could have been hooking you could have been hooking they could have been hooking

Negation

Simple form	V-ing form
I couldn't hook you couldn't hook she couldn't hook we couldn't hook you couldn't hook they couldn't hook	I couldn't be hooking you couldn't be hooking she couldn't be hooking we couldn't be hooking you couldn't be hooking they couldn't be hooking
Perfect	V-ing perfect
I couldn't have hooked you couldn't have hooked she couldn't have hooked we couldn't have hooked you couldn't have hooked they couldn't have hooked	I couldn't have been hooking you couldn't have been hooking she couldn't have been hooking we couldn't have been hooking you couldn't have been hooking they couldn't have been hooking

Interrogative form

Simple form	V-ing form
could I hook? could you hook? could she hook? could we hook? could you hook? could they hook?	could I be hooking? could you be hooking? could she be hooking? could we be hooking? could you be hooking? could they be hooking?
Perfect	V-ing perfect
could I have hooked? could you have hooked? could she have hooked? could we have hooked? could you have hooked? could they have hooked?	could I have been hooking? could you have been hooking? could she have been hooking? could we have been hooking? could you have been hooking? could they have been hooking?

Interro-negative form

Simple form	V-ing form
couldn't I hook? couldn't you hook? couldn't she hook? couldn't we hook? couldn't you hook? couldn't they hook?	couldn't I be hooking? couldn't you be hooking? couldn't she be hooking? couldn't we be hooking? couldn't you be hooking? couldn't they be hooking?
Perfect	V-ing perfect
couldn't I have hooked? couldn't you have hooked? couldn't she have hooked? couldn't we have hooked? couldn't you have hooked? couldn't they have hooked?	couldn't I have been hooking? couldn't you have been hooking? couldn't she have been hooking? couldn't we have been hooking? couldn't you have been hooking? couldn't they have been hooking?