Conjugación del verbo inglés
COULD UNLOCK

Verbo regular: unlock - unlocked - unlocked

Afirmación

Forma simple	Forma con V-ing
I could unlock you could unlock he could unlock we could unlock you could unlock they could unlock	I could be unlocking you could be unlocking he could be unlocking we could be unlocking you could be unlocking they could be unlocking
Perfecto	Perfecto con V-ing
I could have unlocked you could have unlocked he could have unlocked we could have unlocked you could have unlocked they could have unlocked	I could have been unlocking you could have been unlocking he could have been unlocking we could have been unlocking you could have been unlocking they could have been unlocking

Negación

Forma simple	Forma con V-ing
I couldn't unlock you couldn't unlock he couldn't unlock we couldn't unlock you couldn't unlock they couldn't unlock	I couldn't be unlocking you couldn't be unlocking he couldn't be unlocking we couldn't be unlocking you couldn't be unlocking they couldn't be unlocking
Perfecto	Perfecto con V-ing
I couldn't have unlocked you couldn't have unlocked he couldn't have unlocked we couldn't have unlocked you couldn't have unlocked they couldn't have unlocked	I couldn't have been unlocking you couldn't have been unlocking he couldn't have been unlocking we couldn't have been unlocking you couldn't have been unlocking they couldn't have been unlocking

Forma interrogativa

Forma simple	Forma con V-ing
could I unlock? could you unlock? could he unlock? could we unlock? could you unlock? could they unlock?	could I be unlocking? could you be unlocking? could he be unlocking? could we be unlocking? could you be unlocking? could they be unlocking?
Perfecto	Perfecto con V-ing
could I have unlocked? could you have unlocked? could he have unlocked? could we have unlocked? could you have unlocked? could they have unlocked?	could I have been unlocking? could you have been unlocking? could he have been unlocking? could we have been unlocking? could you have been unlocking? could they have been unlocking?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I unlock? couldn't you unlock? couldn't he unlock? couldn't we unlock? couldn't you unlock? couldn't they unlock?	couldn't I be unlocking? couldn't you be unlocking? couldn't he be unlocking? couldn't we be unlocking? couldn't you be unlocking? couldn't they be unlocking?
Perfecto	Perfecto con V-ing
couldn't I have unlocked? couldn't you have unlocked? couldn't he have unlocked? couldn't we have unlocked? couldn't you have unlocked? couldn't they have unlocked?	couldn't I have been unlocking? couldn't you have been unlocking? couldn't he have been unlocking? couldn't we have been unlocking? couldn't you have been unlocking? couldn't they have been unlocking?