English verb conjugation
COULD UNBIND

Irregular verb: unbind - unbound - unbound

Affirmation

Simple form	V-ing form
I could unbind you could unbind he could unbind we could unbind you could unbind they could unbind	I could be unbinding you could be unbinding he could be unbinding we could be unbinding you could be unbinding they could be unbinding
Perfect	V-ing perfect
I could have unbound you could have unbound he could have unbound we could have unbound you could have unbound they could have unbound	I could have been unbinding you could have been unbinding he could have been unbinding we could have been unbinding you could have been unbinding they could have been unbinding

Negation

Simple form	V-ing form
I couldn't unbind you couldn't unbind he couldn't unbind we couldn't unbind you couldn't unbind they couldn't unbind	I couldn't be unbinding you couldn't be unbinding he couldn't be unbinding we couldn't be unbinding you couldn't be unbinding they couldn't be unbinding
Perfect	V-ing perfect
I couldn't have unbound you couldn't have unbound he couldn't have unbound we couldn't have unbound you couldn't have unbound they couldn't have unbound	I couldn't have been unbinding you couldn't have been unbinding he couldn't have been unbinding we couldn't have been unbinding you couldn't have been unbinding they couldn't have been unbinding

Interrogative form

Simple form	V-ing form
could I unbind? could you unbind? could he unbind? could we unbind? could you unbind? could they unbind?	could I be unbinding? could you be unbinding? could he be unbinding? could we be unbinding? could you be unbinding? could they be unbinding?
Perfect	V-ing perfect
could I have unbound? could you have unbound? could he have unbound? could we have unbound? could you have unbound? could they have unbound?	could I have been unbinding? could you have been unbinding? could he have been unbinding? could we have been unbinding? could you have been unbinding? could they have been unbinding?

Interro-negative form

Simple form	V-ing form
couldn't I unbind? couldn't you unbind? couldn't he unbind? couldn't we unbind? couldn't you unbind? couldn't they unbind?	couldn't I be unbinding? couldn't you be unbinding? couldn't he be unbinding? couldn't we be unbinding? couldn't you be unbinding? couldn't they be unbinding?
Perfect	V-ing perfect
couldn't I have unbound? couldn't you have unbound? couldn't he have unbound? couldn't we have unbound? couldn't you have unbound? couldn't they have unbound?	couldn't I have been unbinding? couldn't you have been unbinding? couldn't he have been unbinding? couldn't we have been unbinding? couldn't you have been unbinding? couldn't they have been unbinding?