I could botanize you could botanize he could botanize we could botanize you could botanize they could botanize
Forme en V-ing
I could be botanizing you could be botanizing he could be botanizing we could be botanizing you could be botanizing they could be botanizing
Perfect
I could have botanized you could have botanized he 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 he 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 he 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 he 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 he 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 he 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 he botanize? could we botanize? could you botanize? could they botanize?
Forme en V-ing
could I be botanizing? could you be botanizing? could he be botanizing? could we be botanizing? could you be botanizing? could they be botanizing?
Perfect
could I have botanized? could you have botanized? could he 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 he 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 he 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 he 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 he 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 he have been botanizing? couldn't we have been botanizing? couldn't you have been botanizing? couldn't they have been botanizing?