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