English verb conjugation
COULD UNWASH

Regular verb: unwash - unwashed - unwashed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could unwash you could unwash she could unwash we could unwash you could unwash they could unwash	I could be unwashing you could be unwashing she could be unwashing we could be unwashing you could be unwashing they could be unwashing
Perfect	V-ing perfect
I could have unwashed you could have unwashed she could have unwashed we could have unwashed you could have unwashed they could have unwashed	I could have been unwashing you could have been unwashing she could have been unwashing we could have been unwashing you could have been unwashing they could have been unwashing

Negation

Simple form	V-ing form
I couldn't unwash you couldn't unwash she couldn't unwash we couldn't unwash you couldn't unwash they couldn't unwash	I couldn't be unwashing you couldn't be unwashing she couldn't be unwashing we couldn't be unwashing you couldn't be unwashing they couldn't be unwashing
Perfect	V-ing perfect
I couldn't have unwashed you couldn't have unwashed she couldn't have unwashed we couldn't have unwashed you couldn't have unwashed they couldn't have unwashed	I couldn't have been unwashing you couldn't have been unwashing she couldn't have been unwashing we couldn't have been unwashing you couldn't have been unwashing they couldn't have been unwashing

Interrogative form

Simple form	V-ing form
could I unwash? could you unwash? could she unwash? could we unwash? could you unwash? could they unwash?	could I be unwashing? could you be unwashing? could she be unwashing? could we be unwashing? could you be unwashing? could they be unwashing?
Perfect	V-ing perfect
could I have unwashed? could you have unwashed? could she have unwashed? could we have unwashed? could you have unwashed? could they have unwashed?	could I have been unwashing? could you have been unwashing? could she have been unwashing? could we have been unwashing? could you have been unwashing? could they have been unwashing?

Interro-negative form

Simple form	V-ing form
couldn't I unwash? couldn't you unwash? couldn't she unwash? couldn't we unwash? couldn't you unwash? couldn't they unwash?	couldn't I be unwashing? couldn't you be unwashing? couldn't she be unwashing? couldn't we be unwashing? couldn't you be unwashing? couldn't they be unwashing?
Perfect	V-ing perfect
couldn't I have unwashed? couldn't you have unwashed? couldn't she have unwashed? couldn't we have unwashed? couldn't you have unwashed? couldn't they have unwashed?	couldn't I have been unwashing? couldn't you have been unwashing? couldn't she have been unwashing? couldn't we have been unwashing? couldn't you have been unwashing? couldn't they have been unwashing?