Conjugación del verbo inglés
COULD ATTAINT

Verbo regular: attaint - attainted - attainted

Afirmación

Forma simple	Forma con V-ing
I could attaint you could attaint he could attaint we could attaint you could attaint they could attaint	I could be attainting you could be attainting he could be attainting we could be attainting you could be attainting they could be attainting
Perfecto	Perfecto con V-ing
I could have attainted you could have attainted he could have attainted we could have attainted you could have attainted they could have attainted	I could have been attainting you could have been attainting he could have been attainting we could have been attainting you could have been attainting they could have been attainting

Negación

Forma simple	Forma con V-ing
I could not attaint you could not attaint he could not attaint we could not attaint you could not attaint they could not attaint	I could not be attainting you could not be attainting he could not be attainting we could not be attainting you could not be attainting they could not be attainting
Perfecto	Perfecto con V-ing
I could not have attainted you could not have attainted he could not have attainted we could not have attainted you could not have attainted they could not have attainted	I could not have been attainting you could not have been attainting he could not have been attainting we could not have been attainting you could not have been attainting they could not have been attainting

Forma interrogativa

Forma simple	Forma con V-ing
could I attaint? could you attaint? could he attaint? could we attaint? could you attaint? could they attaint?	could I be attainting? could you be attainting? could he be attainting? could we be attainting? could you be attainting? could they be attainting?
Perfecto	Perfecto con V-ing
could I have attainted? could you have attainted? could he have attainted? could we have attainted? could you have attainted? could they have attainted?	could I have been attainting? could you have been attainting? could he have been attainting? could we have been attainting? could you have been attainting? could they have been attainting?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not attaint? could you not attaint? could he not attaint? could we not attaint? could you not attaint? could they not attaint?	could I not be attainting? could you not be attainting? could he not be attainting? could we not be attainting? could you not be attainting? could they not be attainting?
Perfecto	Perfecto con V-ing
could I not have attainted? could you not have attainted? could he not have attainted? could we not have attainted? could you not have attainted? could they not have attainted?	could I not have been attainting? could you not have been attainting? could he not have been attainting? could we not have been attainting? could you not have been attainting? could they not have been attainting?