I could brainwash you could brainwash he could brainwash we could brainwash you could brainwash they could brainwash
V-ing form
I could be brainwashing you could be brainwashing he could be brainwashing we could be brainwashing you could be brainwashing they could be brainwashing
Perfect
I could have brainwashed you could have brainwashed he could have brainwashed we could have brainwashed you could have brainwashed they could have brainwashed
V-ing perfect
I could have been brainwashing you could have been brainwashing he could have been brainwashing we could have been brainwashing you could have been brainwashing they could have been brainwashing
Negation
Simple form
I could not brainwash you could not brainwash he could not brainwash we could not brainwash you could not brainwash they could not brainwash
V-ing form
I could not be brainwashing you could not be brainwashing he could not be brainwashing we could not be brainwashing you could not be brainwashing they could not be brainwashing
Perfect
I could not have brainwashed you could not have brainwashed he could not have brainwashed we could not have brainwashed you could not have brainwashed they could not have brainwashed
V-ing perfect
I could not have been brainwashing you could not have been brainwashing he could not have been brainwashing we could not have been brainwashing you could not have been brainwashing they could not have been brainwashing
Interrogative form
Simple form
could I brainwash? could you brainwash? could he brainwash? could we brainwash? could you brainwash? could they brainwash?
V-ing form
could I be brainwashing? could you be brainwashing? could he be brainwashing? could we be brainwashing? could you be brainwashing? could they be brainwashing?
Perfect
could I have brainwashed? could you have brainwashed? could he have brainwashed? could we have brainwashed? could you have brainwashed? could they have brainwashed?
V-ing perfect
could I have been brainwashing? could you have been brainwashing? could he have been brainwashing? could we have been brainwashing? could you have been brainwashing? could they have been brainwashing?
Interro-negative form
Simple form
could I not brainwash? could you not brainwash? could he not brainwash? could we not brainwash? could you not brainwash? could they not brainwash?
V-ing form
could I not be brainwashing? could you not be brainwashing? could he not be brainwashing? could we not be brainwashing? could you not be brainwashing? could they not be brainwashing?
Perfect
could I not have brainwashed? could you not have brainwashed? could he not have brainwashed? could we not have brainwashed? could you not have brainwashed? could they not have brainwashed?
V-ing perfect
could I not have been brainwashing? could you not have been brainwashing? could he not have been brainwashing? could we not have been brainwashing? could you not have been brainwashing? could they not have been brainwashing?