Cuidado, este verbo pode não existir, a conjugação é dada como exemplo.
Afirmação
Forma simple
I could unwash you could unwash he could unwash we could unwash you could unwash they could unwash
Forma com V-ing
I could be unwashing you could be unwashing he could be unwashing we could be unwashing you could be unwashing they could be unwashing
Perfeito
I could have unwashed you could have unwashed he could have unwashed we could have unwashed you could have unwashed they could have unwashed
Perfeito com V-ing
I could have been unwashing you could have been unwashing he could have been unwashing we could have been unwashing you could have been unwashing they could have been unwashing
Negação
Forma simple
I couldn't unwash you couldn't unwash he couldn't unwash we couldn't unwash you couldn't unwash they couldn't unwash
Forma com V-ing
I couldn't be unwashing you couldn't be unwashing he couldn't be unwashing we couldn't be unwashing you couldn't be unwashing they couldn't be unwashing
Perfeito
I couldn't have unwashed you couldn't have unwashed he couldn't have unwashed we couldn't have unwashed you couldn't have unwashed they couldn't have unwashed
Perfeito com V-ing
I couldn't have been unwashing you couldn't have been unwashing he couldn't have been unwashing we couldn't have been unwashing you couldn't have been unwashing they couldn't have been unwashing
Forma interrogativa
Forma simple
could I unwash? could you unwash? could he unwash? could we unwash? could you unwash? could they unwash?
Forma com V-ing
could I be unwashing? could you be unwashing? could he be unwashing? could we be unwashing? could you be unwashing? could they be unwashing?
Perfeito
could I have unwashed? could you have unwashed? could he have unwashed? could we have unwashed? could you have unwashed? could they have unwashed?
Perfeito com V-ing
could I have been unwashing? could you have been unwashing? could he have been unwashing? could we have been unwashing? could you have been unwashing? could they have been unwashing?
Forma interro-Negação
Forma simple
couldn't I unwash? couldn't you unwash? couldn't he unwash? couldn't we unwash? couldn't you unwash? couldn't they unwash?
Forma com V-ing
couldn't I be unwashing? couldn't you be unwashing? couldn't he be unwashing? couldn't we be unwashing? couldn't you be unwashing? couldn't they be unwashing?
Perfeito
couldn't I have unwashed? couldn't you have unwashed? couldn't he have unwashed? couldn't we have unwashed? couldn't you have unwashed? couldn't they have unwashed?
Perfeito com V-ing
couldn't I have been unwashing? couldn't you have been unwashing? couldn't he have been unwashing? couldn't we have been unwashing? couldn't you have been unwashing? couldn't they have been unwashing?