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