I could garden you could garden he could garden we could garden you could garden they could garden
Forma con V-ing
I could be gardening you could be gardening he could be gardening we could be gardening you could be gardening they could be gardening
Perfecto
I could have gardened you could have gardened he could have gardened we could have gardened you could have gardened they could have gardened
Perfecto con V-ing
I could have been gardening you could have been gardening he could have been gardening we could have been gardening you could have been gardening they could have been gardening
Negación
Forma simple
I couldn't garden you couldn't garden he couldn't garden we couldn't garden you couldn't garden they couldn't garden
Forma con V-ing
I couldn't be gardening you couldn't be gardening he couldn't be gardening we couldn't be gardening you couldn't be gardening they couldn't be gardening
Perfecto
I couldn't have gardened you couldn't have gardened he couldn't have gardened we couldn't have gardened you couldn't have gardened they couldn't have gardened
Perfecto con V-ing
I couldn't have been gardening you couldn't have been gardening he couldn't have been gardening we couldn't have been gardening you couldn't have been gardening they couldn't have been gardening
Forma interrogativa
Forma simple
could I garden? could you garden? could he garden? could we garden? could you garden? could they garden?
Forma con V-ing
could I be gardening? could you be gardening? could he be gardening? could we be gardening? could you be gardening? could they be gardening?
Perfecto
could I have gardened? could you have gardened? could he have gardened? could we have gardened? could you have gardened? could they have gardened?
Perfecto con V-ing
could I have been gardening? could you have been gardening? could he have been gardening? could we have been gardening? could you have been gardening? could they have been gardening?
Forma interro-negativa
Forma simple
couldn't I garden? couldn't you garden? couldn't he garden? couldn't we garden? couldn't you garden? couldn't they garden?
Forma con V-ing
couldn't I be gardening? couldn't you be gardening? couldn't he be gardening? couldn't we be gardening? couldn't you be gardening? couldn't they be gardening?
Perfecto
couldn't I have gardened? couldn't you have gardened? couldn't he have gardened? couldn't we have gardened? couldn't you have gardened? couldn't they have gardened?
Perfecto con V-ing
couldn't I have been gardening? couldn't you have been gardening? couldn't he have been gardening? couldn't we have been gardening? couldn't you have been gardening? couldn't they have been gardening?