English verb conjugation
COULD UNLINK

Regular verb: unlink - unlinked - unlinked

Affirmation

Simple form	V-ing form
I could unlink you could unlink he could unlink we could unlink you could unlink they could unlink	I could be unlinking you could be unlinking he could be unlinking we could be unlinking you could be unlinking they could be unlinking
Perfect	V-ing perfect
I could have unlinked you could have unlinked he could have unlinked we could have unlinked you could have unlinked they could have unlinked	I could have been unlinking you could have been unlinking he could have been unlinking we could have been unlinking you could have been unlinking they could have been unlinking

Negation

Simple form	V-ing form
I couldn't unlink you couldn't unlink he couldn't unlink we couldn't unlink you couldn't unlink they couldn't unlink	I couldn't be unlinking you couldn't be unlinking he couldn't be unlinking we couldn't be unlinking you couldn't be unlinking they couldn't be unlinking
Perfect	V-ing perfect
I couldn't have unlinked you couldn't have unlinked he couldn't have unlinked we couldn't have unlinked you couldn't have unlinked they couldn't have unlinked	I couldn't have been unlinking you couldn't have been unlinking he couldn't have been unlinking we couldn't have been unlinking you couldn't have been unlinking they couldn't have been unlinking

Interrogative form

Simple form	V-ing form
could I unlink? could you unlink? could he unlink? could we unlink? could you unlink? could they unlink?	could I be unlinking? could you be unlinking? could he be unlinking? could we be unlinking? could you be unlinking? could they be unlinking?
Perfect	V-ing perfect
could I have unlinked? could you have unlinked? could he have unlinked? could we have unlinked? could you have unlinked? could they have unlinked?	could I have been unlinking? could you have been unlinking? could he have been unlinking? could we have been unlinking? could you have been unlinking? could they have been unlinking?

Interro-negative form

Simple form	V-ing form
couldn't I unlink? couldn't you unlink? couldn't he unlink? couldn't we unlink? couldn't you unlink? couldn't they unlink?	couldn't I be unlinking? couldn't you be unlinking? couldn't he be unlinking? couldn't we be unlinking? couldn't you be unlinking? couldn't they be unlinking?
Perfect	V-ing perfect
couldn't I have unlinked? couldn't you have unlinked? couldn't he have unlinked? couldn't we have unlinked? couldn't you have unlinked? couldn't they have unlinked?	couldn't I have been unlinking? couldn't you have been unlinking? couldn't he have been unlinking? couldn't we have been unlinking? couldn't you have been unlinking? couldn't they have been unlinking?