Conjugación del verbo inglés
COULD SCRUB

Verbo regular: scrub - scrubbed - scrubbed

Afirmación

Forma simple	Forma con V-ing
I could scrub you could scrub he could scrub we could scrub you could scrub they could scrub	I could be scrubbing you could be scrubbing he could be scrubbing we could be scrubbing you could be scrubbing they could be scrubbing
Perfecto	Perfecto con V-ing
I could have scrubbed you could have scrubbed he could have scrubbed we could have scrubbed you could have scrubbed they could have scrubbed	I could have been scrubbing you could have been scrubbing he could have been scrubbing we could have been scrubbing you could have been scrubbing they could have been scrubbing

Negación

Forma simple	Forma con V-ing
I couldn't scrub you couldn't scrub he couldn't scrub we couldn't scrub you couldn't scrub they couldn't scrub	I couldn't be scrubbing you couldn't be scrubbing he couldn't be scrubbing we couldn't be scrubbing you couldn't be scrubbing they couldn't be scrubbing
Perfecto	Perfecto con V-ing
I couldn't have scrubbed you couldn't have scrubbed he couldn't have scrubbed we couldn't have scrubbed you couldn't have scrubbed they couldn't have scrubbed	I couldn't have been scrubbing you couldn't have been scrubbing he couldn't have been scrubbing we couldn't have been scrubbing you couldn't have been scrubbing they couldn't have been scrubbing

Forma interrogativa

Forma simple	Forma con V-ing
could I scrub? could you scrub? could he scrub? could we scrub? could you scrub? could they scrub?	could I be scrubbing? could you be scrubbing? could he be scrubbing? could we be scrubbing? could you be scrubbing? could they be scrubbing?
Perfecto	Perfecto con V-ing
could I have scrubbed? could you have scrubbed? could he have scrubbed? could we have scrubbed? could you have scrubbed? could they have scrubbed?	could I have been scrubbing? could you have been scrubbing? could he have been scrubbing? could we have been scrubbing? could you have been scrubbing? could they have been scrubbing?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I scrub? couldn't you scrub? couldn't he scrub? couldn't we scrub? couldn't you scrub? couldn't they scrub?	couldn't I be scrubbing? couldn't you be scrubbing? couldn't he be scrubbing? couldn't we be scrubbing? couldn't you be scrubbing? couldn't they be scrubbing?
Perfecto	Perfecto con V-ing
couldn't I have scrubbed? couldn't you have scrubbed? couldn't he have scrubbed? couldn't we have scrubbed? couldn't you have scrubbed? couldn't they have scrubbed?	couldn't I have been scrubbing? couldn't you have been scrubbing? couldn't he have been scrubbing? couldn't we have been scrubbing? couldn't you have been scrubbing? couldn't they have been scrubbing?