I could botanize you could botanize he could botanize we could botanize you could botanize they could botanize
Forma con 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
Perfecto
I could have botanized you could have botanized he could have botanized we could have botanized you could have botanized they could have botanized
Perfecto con 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
Negación
Forma 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
Forma con 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
Perfecto
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
Perfecto con 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
Forma interrogativa
Forma simple
could I botanize? could you botanize? could he botanize? could we botanize? could you botanize? could they botanize?
Forma con 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?
Perfecto
could I have botanized? could you have botanized? could he have botanized? could we have botanized? could you have botanized? could they have botanized?
Perfecto con 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?
Forma interro-negativa
Forma 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?
Forma con 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?
Perfecto
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?
Perfecto con 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?