English verb conjugation
COULD BASH

Regular verb: bash - bashed - bashed

Affirmation

Simple form	V-ing form
I could bash you could bash he could bash we could bash you could bash they could bash	I could be bashing you could be bashing he could be bashing we could be bashing you could be bashing they could be bashing
Perfect	V-ing perfect
I could have bashed you could have bashed he could have bashed we could have bashed you could have bashed they could have bashed	I could have been bashing you could have been bashing he could have been bashing we could have been bashing you could have been bashing they could have been bashing

Negation

Simple form	V-ing form
I could not bash you could not bash he could not bash we could not bash you could not bash they could not bash	I could not be bashing you could not be bashing he could not be bashing we could not be bashing you could not be bashing they could not be bashing
Perfect	V-ing perfect
I could not have bashed you could not have bashed he could not have bashed we could not have bashed you could not have bashed they could not have bashed	I could not have been bashing you could not have been bashing he could not have been bashing we could not have been bashing you could not have been bashing they could not have been bashing

Interrogative form

Simple form	V-ing form
could I bash? could you bash? could he bash? could we bash? could you bash? could they bash?	could I be bashing? could you be bashing? could he be bashing? could we be bashing? could you be bashing? could they be bashing?
Perfect	V-ing perfect
could I have bashed? could you have bashed? could he have bashed? could we have bashed? could you have bashed? could they have bashed?	could I have been bashing? could you have been bashing? could he have been bashing? could we have been bashing? could you have been bashing? could they have been bashing?

Interro-negative form

Simple form	V-ing form
could I not bash? could you not bash? could he not bash? could we not bash? could you not bash? could they not bash?	could I not be bashing? could you not be bashing? could he not be bashing? could we not be bashing? could you not be bashing? could they not be bashing?
Perfect	V-ing perfect
could I not have bashed? could you not have bashed? could he not have bashed? could we not have bashed? could you not have bashed? could they not have bashed?	could I not have been bashing? could you not have been bashing? could he not have been bashing? could we not have been bashing? could you not have been bashing? could they not have been bashing?