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 couldn't bash you couldn't bash he couldn't bash we couldn't bash you couldn't bash they couldn't bash	I couldn't be bashing you couldn't be bashing he couldn't be bashing we couldn't be bashing you couldn't be bashing they couldn't be bashing
Perfect	V-ing perfect
I couldn't have bashed you couldn't have bashed he couldn't have bashed we couldn't have bashed you couldn't have bashed they couldn't have bashed	I couldn't have been bashing you couldn't have been bashing he couldn't have been bashing we couldn't have been bashing you couldn't have been bashing they couldn't 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
couldn't I bash? couldn't you bash? couldn't he bash? couldn't we bash? couldn't you bash? couldn't they bash?	couldn't I be bashing? couldn't you be bashing? couldn't he be bashing? couldn't we be bashing? couldn't you be bashing? couldn't they be bashing?
Perfect	V-ing perfect
couldn't I have bashed? couldn't you have bashed? couldn't he have bashed? couldn't we have bashed? couldn't you have bashed? couldn't they have bashed?	couldn't I have been bashing? couldn't you have been bashing? couldn't he have been bashing? couldn't we have been bashing? couldn't you have been bashing? couldn't they have been bashing?