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 couldn't hash you couldn't hash he couldn't hash we couldn't hash you couldn't hash they couldn't hash	I couldn't be hashing you couldn't be hashing he couldn't be hashing we couldn't be hashing you couldn't be hashing they couldn't be hashing
Perfect	V-ing perfect
I couldn't have hashed you couldn't have hashed he couldn't have hashed we couldn't have hashed you couldn't have hashed they couldn't have hashed	I couldn't have been hashing you couldn't have been hashing he couldn't have been hashing we couldn't have been hashing you couldn't have been hashing they couldn't 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
couldn't I hash? couldn't you hash? couldn't he hash? couldn't we hash? couldn't you hash? couldn't they hash?	couldn't I be hashing? couldn't you be hashing? couldn't he be hashing? couldn't we be hashing? couldn't you be hashing? couldn't they be hashing?
Perfect	V-ing perfect
couldn't I have hashed? couldn't you have hashed? couldn't he have hashed? couldn't we have hashed? couldn't you have hashed? couldn't they have hashed?	couldn't I have been hashing? couldn't you have been hashing? couldn't he have been hashing? couldn't we have been hashing? couldn't you have been hashing? couldn't they have been hashing?