English verb conjugation
COULD UNLOOSEN

Regular verb: unloosen - unloosened - unloosened

Affirmation

Simple form	V-ing form
I could unloosen you could unloosen he could unloosen we could unloosen you could unloosen they could unloosen	I could be unloosening you could be unloosening he could be unloosening we could be unloosening you could be unloosening they could be unloosening
Perfect	V-ing perfect
I could have unloosened you could have unloosened he could have unloosened we could have unloosened you could have unloosened they could have unloosened	I could have been unloosening you could have been unloosening he could have been unloosening we could have been unloosening you could have been unloosening they could have been unloosening

Negation

Simple form	V-ing form
I could not unloosen you could not unloosen he could not unloosen we could not unloosen you could not unloosen they could not unloosen	I could not be unloosening you could not be unloosening he could not be unloosening we could not be unloosening you could not be unloosening they could not be unloosening
Perfect	V-ing perfect
I could not have unloosened you could not have unloosened he could not have unloosened we could not have unloosened you could not have unloosened they could not have unloosened	I could not have been unloosening you could not have been unloosening he could not have been unloosening we could not have been unloosening you could not have been unloosening they could not have been unloosening

Interrogative form

Simple form	V-ing form
could I unloosen? could you unloosen? could he unloosen? could we unloosen? could you unloosen? could they unloosen?	could I be unloosening? could you be unloosening? could he be unloosening? could we be unloosening? could you be unloosening? could they be unloosening?
Perfect	V-ing perfect
could I have unloosened? could you have unloosened? could he have unloosened? could we have unloosened? could you have unloosened? could they have unloosened?	could I have been unloosening? could you have been unloosening? could he have been unloosening? could we have been unloosening? could you have been unloosening? could they have been unloosening?

Interro-negative form

Simple form	V-ing form
could I not unloosen? could you not unloosen? could he not unloosen? could we not unloosen? could you not unloosen? could they not unloosen?	could I not be unloosening? could you not be unloosening? could he not be unloosening? could we not be unloosening? could you not be unloosening? could they not be unloosening?
Perfect	V-ing perfect
could I not have unloosened? could you not have unloosened? could he not have unloosened? could we not have unloosened? could you not have unloosened? could they not have unloosened?	could I not have been unloosening? could you not have been unloosening? could he not have been unloosening? could we not have been unloosening? could you not have been unloosening? could they not have been unloosening?