I could assay you could assay he could assay we could assay you could assay they could assay
Forma com V-ing
I could be assaying you could be assaying he could be assaying we could be assaying you could be assaying they could be assaying
Perfeito
I could have assayed you could have assayed he could have assayed we could have assayed you could have assayed they could have assayed
Perfeito com V-ing
I could have been assaying you could have been assaying he could have been assaying we could have been assaying you could have been assaying they could have been assaying
Negação
Forma simple
I couldn't assay you couldn't assay he couldn't assay we couldn't assay you couldn't assay they couldn't assay
Forma com V-ing
I couldn't be assaying you couldn't be assaying he couldn't be assaying we couldn't be assaying you couldn't be assaying they couldn't be assaying
Perfeito
I couldn't have assayed you couldn't have assayed he couldn't have assayed we couldn't have assayed you couldn't have assayed they couldn't have assayed
Perfeito com V-ing
I couldn't have been assaying you couldn't have been assaying he couldn't have been assaying we couldn't have been assaying you couldn't have been assaying they couldn't have been assaying
Forma interrogativa
Forma simple
could I assay? could you assay? could he assay? could we assay? could you assay? could they assay?
Forma com V-ing
could I be assaying? could you be assaying? could he be assaying? could we be assaying? could you be assaying? could they be assaying?
Perfeito
could I have assayed? could you have assayed? could he have assayed? could we have assayed? could you have assayed? could they have assayed?
Perfeito com V-ing
could I have been assaying? could you have been assaying? could he have been assaying? could we have been assaying? could you have been assaying? could they have been assaying?
Forma interro-Negação
Forma simple
couldn't I assay? couldn't you assay? couldn't he assay? couldn't we assay? couldn't you assay? couldn't they assay?
Forma com V-ing
couldn't I be assaying? couldn't you be assaying? couldn't he be assaying? couldn't we be assaying? couldn't you be assaying? couldn't they be assaying?
Perfeito
couldn't I have assayed? couldn't you have assayed? couldn't he have assayed? couldn't we have assayed? couldn't you have assayed? couldn't they have assayed?
Perfeito com V-ing
couldn't I have been assaying? couldn't you have been assaying? couldn't he have been assaying? couldn't we have been assaying? couldn't you have been assaying? couldn't they have been assaying?