I could schematize you could schematize she could schematize we could schematize you could schematize they could schematize
Forme en V-ing
I could be schematizing you could be schematizing she could be schematizing we could be schematizing you could be schematizing they could be schematizing
Perfect
I could have schematized you could have schematized she could have schematized we could have schematized you could have schematized they could have schematized
Perfect en V-ing
I could have been schematizing you could have been schematizing she could have been schematizing we could have been schematizing you could have been schematizing they could have been schematizing
Négation
Forme simple
I could not schematize you could not schematize she could not schematize we could not schematize you could not schematize they could not schematize
Forme en V-ing
I could not be schematizing you could not be schematizing she could not be schematizing we could not be schematizing you could not be schematizing they could not be schematizing
Perfect
I could not have schematized you could not have schematized she could not have schematized we could not have schematized you could not have schematized they could not have schematized
Perfect en V-ing
I could not have been schematizing you could not have been schematizing she could not have been schematizing we could not have been schematizing you could not have been schematizing they could not have been schematizing
Forme interrogative
Forme simple
could I schematize? could you schematize? could she schematize? could we schematize? could you schematize? could they schematize?
Forme en V-ing
could I be schematizing? could you be schematizing? could she be schematizing? could we be schematizing? could you be schematizing? could they be schematizing?
Perfect
could I have schematized? could you have schematized? could she have schematized? could we have schematized? could you have schematized? could they have schematized?
Perfect en V-ing
could I have been schematizing? could you have been schematizing? could she have been schematizing? could we have been schematizing? could you have been schematizing? could they have been schematizing?
Forme interro-négative
Forme simple
could I not schematize? could you not schematize? could she not schematize? could we not schematize? could you not schematize? could they not schematize?
Forme en V-ing
could I not be schematizing? could you not be schematizing? could she not be schematizing? could we not be schematizing? could you not be schematizing? could they not be schematizing?
Perfect
could I not have schematized? could you not have schematized? could she not have schematized? could we not have schematized? could you not have schematized? could they not have schematized?
Perfect en V-ing
could I not have been schematizing? could you not have been schematizing? could she not have been schematizing? could we not have been schematizing? could you not have been schematizing? could they not have been schematizing?