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 couldn't unloosen you couldn't unloosen he couldn't unloosen we couldn't unloosen you couldn't unloosen they couldn't unloosen	I couldn't be unloosening you couldn't be unloosening he couldn't be unloosening we couldn't be unloosening you couldn't be unloosening they couldn't be unloosening
Perfect	V-ing perfect
I couldn't have unloosened you couldn't have unloosened he couldn't have unloosened we couldn't have unloosened you couldn't have unloosened they couldn't have unloosened	I couldn't have been unloosening you couldn't have been unloosening he couldn't have been unloosening we couldn't have been unloosening you couldn't have been unloosening they couldn't 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
couldn't I unloosen? couldn't you unloosen? couldn't he unloosen? couldn't we unloosen? couldn't you unloosen? couldn't they unloosen?	couldn't I be unloosening? couldn't you be unloosening? couldn't he be unloosening? couldn't we be unloosening? couldn't you be unloosening? couldn't they be unloosening?
Perfect	V-ing perfect
couldn't I have unloosened? couldn't you have unloosened? couldn't he have unloosened? couldn't we have unloosened? couldn't you have unloosened? couldn't they have unloosened?	couldn't I have been unloosening? couldn't you have been unloosening? couldn't he have been unloosening? couldn't we have been unloosening? couldn't you have been unloosening? couldn't they have been unloosening?