English verb conjugation
COULD HASH

Regular verb: hash - hashed - hashed

Affirmation

Simple form	V-ing form
I could hash you could hash he could hash we could hash you could hash they could hash	I could be hashing you could be hashing he could be hashing we could be hashing you could be hashing they could be hashing
Perfect	V-ing perfect
I could have hashed you could have hashed he could have hashed we could have hashed you could have hashed they could have hashed	I could have been hashing you could have been hashing he could have been hashing we could have been hashing you could have been hashing they could have been hashing

Negation

Simple form	V-ing form
I could not hash you could not hash he could not hash we could not hash you could not hash they could not hash	I could not be hashing you could not be hashing he could not be hashing we could not be hashing you could not be hashing they could not be hashing
Perfect	V-ing perfect
I could not have hashed you could not have hashed he could not have hashed we could not have hashed you could not have hashed they could not have hashed	I could not have been hashing you could not have been hashing he could not have been hashing we could not have been hashing you could not have been hashing they could not have been hashing

Interrogative form

Simple form	V-ing form
could I hash? could you hash? could he hash? could we hash? could you hash? could they hash?	could I be hashing? could you be hashing? could he be hashing? could we be hashing? could you be hashing? could they be hashing?
Perfect	V-ing perfect
could I have hashed? could you have hashed? could he have hashed? could we have hashed? could you have hashed? could they have hashed?	could I have been hashing? could you have been hashing? could he have been hashing? could we have been hashing? could you have been hashing? could they have been hashing?

Interro-negative form

Simple form	V-ing form
could I not hash? could you not hash? could he not hash? could we not hash? could you not hash? could they not hash?	could I not be hashing? could you not be hashing? could he not be hashing? could we not be hashing? could you not be hashing? could they not be hashing?
Perfect	V-ing perfect
could I not have hashed? could you not have hashed? could he not have hashed? could we not have hashed? could you not have hashed? could they not have hashed?	could I not have been hashing? could you not have been hashing? could he not have been hashing? could we not have been hashing? could you not have been hashing? could they not have been hashing?