I could unleash you could unleash he could unleash we could unleash you could unleash they could unleash
V-ing form
I could be unleashing you could be unleashing he could be unleashing we could be unleashing you could be unleashing they could be unleashing
Perfect
I could have unleashed you could have unleashed he could have unleashed we could have unleashed you could have unleashed they could have unleashed
V-ing perfect
I could have been unleashing you could have been unleashing he could have been unleashing we could have been unleashing you could have been unleashing they could have been unleashing
Negation
Simple form
I couldn't unleash you couldn't unleash he couldn't unleash we couldn't unleash you couldn't unleash they couldn't unleash
V-ing form
I couldn't be unleashing you couldn't be unleashing he couldn't be unleashing we couldn't be unleashing you couldn't be unleashing they couldn't be unleashing
Perfect
I couldn't have unleashed you couldn't have unleashed he couldn't have unleashed we couldn't have unleashed you couldn't have unleashed they couldn't have unleashed
V-ing perfect
I couldn't have been unleashing you couldn't have been unleashing he couldn't have been unleashing we couldn't have been unleashing you couldn't have been unleashing they couldn't have been unleashing
Interrogative form
Simple form
could I unleash? could you unleash? could he unleash? could we unleash? could you unleash? could they unleash?
V-ing form
could I be unleashing? could you be unleashing? could he be unleashing? could we be unleashing? could you be unleashing? could they be unleashing?
Perfect
could I have unleashed? could you have unleashed? could he have unleashed? could we have unleashed? could you have unleashed? could they have unleashed?
V-ing perfect
could I have been unleashing? could you have been unleashing? could he have been unleashing? could we have been unleashing? could you have been unleashing? could they have been unleashing?
Interro-negative form
Simple form
couldn't I unleash? couldn't you unleash? couldn't he unleash? couldn't we unleash? couldn't you unleash? couldn't they unleash?
V-ing form
couldn't I be unleashing? couldn't you be unleashing? couldn't he be unleashing? couldn't we be unleashing? couldn't you be unleashing? couldn't they be unleashing?
Perfect
couldn't I have unleashed? couldn't you have unleashed? couldn't he have unleashed? couldn't we have unleashed? couldn't you have unleashed? couldn't they have unleashed?
V-ing perfect
couldn't I have been unleashing? couldn't you have been unleashing? couldn't he have been unleashing? couldn't we have been unleashing? couldn't you have been unleashing? couldn't they have been unleashing?