Conjugación del verbo inglés
COULD BACKSTROKE

Verbo regular: backstroke - backstroked - backstroked

Afirmación

Forma simple	Forma con V-ing
I could backstroke you could backstroke he could backstroke we could backstroke you could backstroke they could backstroke	I could be backstroking you could be backstroking he could be backstroking we could be backstroking you could be backstroking they could be backstroking
Perfecto	Perfecto con V-ing
I could have backstroked you could have backstroked he could have backstroked we could have backstroked you could have backstroked they could have backstroked	I could have been backstroking you could have been backstroking he could have been backstroking we could have been backstroking you could have been backstroking they could have been backstroking

Negación

Forma simple	Forma con V-ing
I couldn't backstroke you couldn't backstroke he couldn't backstroke we couldn't backstroke you couldn't backstroke they couldn't backstroke	I couldn't be backstroking you couldn't be backstroking he couldn't be backstroking we couldn't be backstroking you couldn't be backstroking they couldn't be backstroking
Perfecto	Perfecto con V-ing
I couldn't have backstroked you couldn't have backstroked he couldn't have backstroked we couldn't have backstroked you couldn't have backstroked they couldn't have backstroked	I couldn't have been backstroking you couldn't have been backstroking he couldn't have been backstroking we couldn't have been backstroking you couldn't have been backstroking they couldn't have been backstroking

Forma interrogativa

Forma simple	Forma con V-ing
could I backstroke? could you backstroke? could he backstroke? could we backstroke? could you backstroke? could they backstroke?	could I be backstroking? could you be backstroking? could he be backstroking? could we be backstroking? could you be backstroking? could they be backstroking?
Perfecto	Perfecto con V-ing
could I have backstroked? could you have backstroked? could he have backstroked? could we have backstroked? could you have backstroked? could they have backstroked?	could I have been backstroking? could you have been backstroking? could he have been backstroking? could we have been backstroking? could you have been backstroking? could they have been backstroking?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I backstroke? couldn't you backstroke? couldn't he backstroke? couldn't we backstroke? couldn't you backstroke? couldn't they backstroke?	couldn't I be backstroking? couldn't you be backstroking? couldn't he be backstroking? couldn't we be backstroking? couldn't you be backstroking? couldn't they be backstroking?
Perfecto	Perfecto con V-ing
couldn't I have backstroked? couldn't you have backstroked? couldn't he have backstroked? couldn't we have backstroked? couldn't you have backstroked? couldn't they have backstroked?	couldn't I have been backstroking? couldn't you have been backstroking? couldn't he have been backstroking? couldn't we have been backstroking? couldn't you have been backstroking? couldn't they have been backstroking?