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