Conjugação do verbo inglês
COULD ATTAINT

Verbo regular: attaint - attainted - attainted

Afirmação

Forma simple	Forma com V-ing
I could attaint you could attaint she could attaint we could attaint you could attaint they could attaint	I could be attainting you could be attainting she could be attainting we could be attainting you could be attainting they could be attainting
Perfeito	Perfeito com V-ing
I could have attainted you could have attainted she 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 she could have been attainting we could have been attainting you could have been attainting they could have been attainting

Negação

Forma simple	Forma com V-ing
I could not attaint you could not attaint she 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 she could not be attainting we could not be attainting you could not be attainting they could not be attainting
Perfeito	Perfeito com V-ing
I could not have attainted you could not have attainted she 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 she 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 com V-ing
could I attaint? could you attaint? could she attaint? could we attaint? could you attaint? could they attaint?	could I be attainting? could you be attainting? could she be attainting? could we be attainting? could you be attainting? could they be attainting?
Perfeito	Perfeito com V-ing
could I have attainted? could you have attainted? could she 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 she have been attainting? could we have been attainting? could you have been attainting? could they have been attainting?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not attaint? could you not attaint? could she 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 she not be attainting? could we not be attainting? could you not be attainting? could they not be attainting?
Perfeito	Perfeito com V-ing
could I not have attainted? could you not have attainted? could she 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 she not have been attainting? could we not have been attainting? could you not have been attainting? could they not have been attainting?