I could revalidate you could revalidate he could revalidate we could revalidate you could revalidate they could revalidate
Forme en V-ing
I could be revalidating you could be revalidating he could be revalidating we could be revalidating you could be revalidating they could be revalidating
Perfect
I could have revalidated you could have revalidated he could have revalidated we could have revalidated you could have revalidated they could have revalidated
Perfect en V-ing
I could have been revalidating you could have been revalidating he could have been revalidating we could have been revalidating you could have been revalidating they could have been revalidating
Négation
Forme simple
I couldn't revalidate you couldn't revalidate he couldn't revalidate we couldn't revalidate you couldn't revalidate they couldn't revalidate
Forme en V-ing
I couldn't be revalidating you couldn't be revalidating he couldn't be revalidating we couldn't be revalidating you couldn't be revalidating they couldn't be revalidating
Perfect
I couldn't have revalidated you couldn't have revalidated he couldn't have revalidated we couldn't have revalidated you couldn't have revalidated they couldn't have revalidated
Perfect en V-ing
I couldn't have been revalidating you couldn't have been revalidating he couldn't have been revalidating we couldn't have been revalidating you couldn't have been revalidating they couldn't have been revalidating
Forme interrogative
Forme simple
could I revalidate? could you revalidate? could he revalidate? could we revalidate? could you revalidate? could they revalidate?
Forme en V-ing
could I be revalidating? could you be revalidating? could he be revalidating? could we be revalidating? could you be revalidating? could they be revalidating?
Perfect
could I have revalidated? could you have revalidated? could he have revalidated? could we have revalidated? could you have revalidated? could they have revalidated?
Perfect en V-ing
could I have been revalidating? could you have been revalidating? could he have been revalidating? could we have been revalidating? could you have been revalidating? could they have been revalidating?
Forme interro-négative
Forme simple
couldn't I revalidate? couldn't you revalidate? couldn't he revalidate? couldn't we revalidate? couldn't you revalidate? couldn't they revalidate?
Forme en V-ing
couldn't I be revalidating? couldn't you be revalidating? couldn't he be revalidating? couldn't we be revalidating? couldn't you be revalidating? couldn't they be revalidating?
Perfect
couldn't I have revalidated? couldn't you have revalidated? couldn't he have revalidated? couldn't we have revalidated? couldn't you have revalidated? couldn't they have revalidated?
Perfect en V-ing
couldn't I have been revalidating? couldn't you have been revalidating? couldn't he have been revalidating? couldn't we have been revalidating? couldn't you have been revalidating? couldn't they have been revalidating?