I could assay you could assay she could assay we could assay you could assay they could assay
Forme en V-ing
I could be assaying you could be assaying she could be assaying we could be assaying you could be assaying they could be assaying
Perfect
I could have assayed you could have assayed she could have assayed we could have assayed you could have assayed they could have assayed
Perfect en V-ing
I could have been assaying you could have been assaying she could have been assaying we could have been assaying you could have been assaying they could have been assaying
Négation
Forme simple
I couldn't assay you couldn't assay she couldn't assay we couldn't assay you couldn't assay they couldn't assay
Forme en V-ing
I couldn't be assaying you couldn't be assaying she couldn't be assaying we couldn't be assaying you couldn't be assaying they couldn't be assaying
Perfect
I couldn't have assayed you couldn't have assayed she couldn't have assayed we couldn't have assayed you couldn't have assayed they couldn't have assayed
Perfect en V-ing
I couldn't have been assaying you couldn't have been assaying she couldn't have been assaying we couldn't have been assaying you couldn't have been assaying they couldn't have been assaying
Forme interrogative
Forme simple
could I assay? could you assay? could she assay? could we assay? could you assay? could they assay?
Forme en V-ing
could I be assaying? could you be assaying? could she be assaying? could we be assaying? could you be assaying? could they be assaying?
Perfect
could I have assayed? could you have assayed? could she have assayed? could we have assayed? could you have assayed? could they have assayed?
Perfect en V-ing
could I have been assaying? could you have been assaying? could she have been assaying? could we have been assaying? could you have been assaying? could they have been assaying?
Forme interro-négative
Forme simple
couldn't I assay? couldn't you assay? couldn't she assay? couldn't we assay? couldn't you assay? couldn't they assay?
Forme en V-ing
couldn't I be assaying? couldn't you be assaying? couldn't she be assaying? couldn't we be assaying? couldn't you be assaying? couldn't they be assaying?
Perfect
couldn't I have assayed? couldn't you have assayed? couldn't she have assayed? couldn't we have assayed? couldn't you have assayed? couldn't they have assayed?
Perfect en V-ing
couldn't I have been assaying? couldn't you have been assaying? couldn't she have been assaying? couldn't we have been assaying? couldn't you have been assaying? couldn't they have been assaying?