Conjugación del verbo inglés
COULD ROCK

Verbo regular: rock - rocked - rocked

Afirmación

Forma simple	Forma con V-ing
I could rock you could rock he could rock we could rock you could rock they could rock	I could be rocking you could be rocking he could be rocking we could be rocking you could be rocking they could be rocking
Perfecto	Perfecto con V-ing
I could have rocked you could have rocked he could have rocked we could have rocked you could have rocked they could have rocked	I could have been rocking you could have been rocking he could have been rocking we could have been rocking you could have been rocking they could have been rocking

Negación

Forma simple	Forma con V-ing
I couldn't rock you couldn't rock he couldn't rock we couldn't rock you couldn't rock they couldn't rock	I couldn't be rocking you couldn't be rocking he couldn't be rocking we couldn't be rocking you couldn't be rocking they couldn't be rocking
Perfecto	Perfecto con V-ing
I couldn't have rocked you couldn't have rocked he couldn't have rocked we couldn't have rocked you couldn't have rocked they couldn't have rocked	I couldn't have been rocking you couldn't have been rocking he couldn't have been rocking we couldn't have been rocking you couldn't have been rocking they couldn't have been rocking

Forma interrogativa

Forma simple	Forma con V-ing
could I rock? could you rock? could he rock? could we rock? could you rock? could they rock?	could I be rocking? could you be rocking? could he be rocking? could we be rocking? could you be rocking? could they be rocking?
Perfecto	Perfecto con V-ing
could I have rocked? could you have rocked? could he have rocked? could we have rocked? could you have rocked? could they have rocked?	could I have been rocking? could you have been rocking? could he have been rocking? could we have been rocking? could you have been rocking? could they have been rocking?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I rock? couldn't you rock? couldn't he rock? couldn't we rock? couldn't you rock? couldn't they rock?	couldn't I be rocking? couldn't you be rocking? couldn't he be rocking? couldn't we be rocking? couldn't you be rocking? couldn't they be rocking?
Perfecto	Perfecto con V-ing
couldn't I have rocked? couldn't you have rocked? couldn't he have rocked? couldn't we have rocked? couldn't you have rocked? couldn't they have rocked?	couldn't I have been rocking? couldn't you have been rocking? couldn't he have been rocking? couldn't we have been rocking? couldn't you have been rocking? couldn't they have been rocking?