I could attaint you could attaint he could attaint we could attaint you could attaint they could attaint
Forma com V-ing
I could be attainting you could be attainting he could be attainting we could be attainting you could be attainting they could be attainting
Perfeito
I could have attainted you could have attainted he could have attainted we could have attainted you could have attainted they could have attainted
Perfeito com V-ing
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
Negação
Forma simple
I couldn't attaint you couldn't attaint he couldn't attaint we couldn't attaint you couldn't attaint they couldn't attaint
Forma com V-ing
I couldn't be attainting you couldn't be attainting he couldn't be attainting we couldn't be attainting you couldn't be attainting they couldn't be attainting
Perfeito
I couldn't have attainted you couldn't have attainted he couldn't have attainted we couldn't have attainted you couldn't have attainted they couldn't have attainted
Perfeito com V-ing
I couldn't have been attainting you couldn't have been attainting he couldn't have been attainting we couldn't have been attainting you couldn't have been attainting they couldn't have been attainting
Forma interrogativa
Forma simple
could I attaint? could you attaint? could he attaint? could we attaint? could you attaint? could they attaint?
Forma com V-ing
could I be attainting? could you be attainting? could he be attainting? could we be attainting? could you be attainting? could they be attainting?
Perfeito
could I have attainted? could you have attainted? could he have attainted? could we have attainted? could you have attainted? could they have attainted?
Perfeito com V-ing
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-Negação
Forma simple
couldn't I attaint? couldn't you attaint? couldn't he attaint? couldn't we attaint? couldn't you attaint? couldn't they attaint?
Forma com V-ing
couldn't I be attainting? couldn't you be attainting? couldn't he be attainting? couldn't we be attainting? couldn't you be attainting? couldn't they be attainting?
Perfeito
couldn't I have attainted? couldn't you have attainted? couldn't he have attainted? couldn't we have attainted? couldn't you have attainted? couldn't they have attainted?
Perfeito com V-ing
couldn't I have been attainting? couldn't you have been attainting? couldn't he have been attainting? couldn't we have been attainting? couldn't you have been attainting? couldn't they have been attainting?