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