English verb conjugation
COULD UNSHACKLE

Regular verb: unshackle - unshackled - unshackled

Affirmation

Simple form	V-ing form
I could unshackle you could unshackle he could unshackle we could unshackle you could unshackle they could unshackle	I could be unshackling you could be unshackling he could be unshackling we could be unshackling you could be unshackling they could be unshackling
Perfect	V-ing perfect
I could have unshackled you could have unshackled he could have unshackled we could have unshackled you could have unshackled they could have unshackled	I could have been unshackling you could have been unshackling he could have been unshackling we could have been unshackling you could have been unshackling they could have been unshackling

Negation

Simple form	V-ing form
I could not unshackle you could not unshackle he could not unshackle we could not unshackle you could not unshackle they could not unshackle	I could not be unshackling you could not be unshackling he could not be unshackling we could not be unshackling you could not be unshackling they could not be unshackling
Perfect	V-ing perfect
I could not have unshackled you could not have unshackled he could not have unshackled we could not have unshackled you could not have unshackled they could not have unshackled	I could not have been unshackling you could not have been unshackling he could not have been unshackling we could not have been unshackling you could not have been unshackling they could not have been unshackling

Interrogative form

Simple form	V-ing form
could I unshackle? could you unshackle? could he unshackle? could we unshackle? could you unshackle? could they unshackle?	could I be unshackling? could you be unshackling? could he be unshackling? could we be unshackling? could you be unshackling? could they be unshackling?
Perfect	V-ing perfect
could I have unshackled? could you have unshackled? could he have unshackled? could we have unshackled? could you have unshackled? could they have unshackled?	could I have been unshackling? could you have been unshackling? could he have been unshackling? could we have been unshackling? could you have been unshackling? could they have been unshackling?

Interro-negative form

Simple form	V-ing form
could I not unshackle? could you not unshackle? could he not unshackle? could we not unshackle? could you not unshackle? could they not unshackle?	could I not be unshackling? could you not be unshackling? could he not be unshackling? could we not be unshackling? could you not be unshackling? could they not be unshackling?
Perfect	V-ing perfect
could I not have unshackled? could you not have unshackled? could he not have unshackled? could we not have unshackled? could you not have unshackled? could they not have unshackled?	could I not have been unshackling? could you not have been unshackling? could he not have been unshackling? could we not have been unshackling? could you not have been unshackling? could they not have been unshackling?