I could ripen you could ripen she could ripen we could ripen you could ripen they could ripen
Forma com V-ing
I could be ripening you could be ripening she could be ripening we could be ripening you could be ripening they could be ripening
Perfeito
I could have ripened you could have ripened she could have ripened we could have ripened you could have ripened they could have ripened
Perfeito com V-ing
I could have been ripening you could have been ripening she could have been ripening we could have been ripening you could have been ripening they could have been ripening
Negação
Forma simple
I couldn't ripen you couldn't ripen she couldn't ripen we couldn't ripen you couldn't ripen they couldn't ripen
Forma com V-ing
I couldn't be ripening you couldn't be ripening she couldn't be ripening we couldn't be ripening you couldn't be ripening they couldn't be ripening
Perfeito
I couldn't have ripened you couldn't have ripened she couldn't have ripened we couldn't have ripened you couldn't have ripened they couldn't have ripened
Perfeito com V-ing
I couldn't have been ripening you couldn't have been ripening she couldn't have been ripening we couldn't have been ripening you couldn't have been ripening they couldn't have been ripening
Forma interrogativa
Forma simple
could I ripen? could you ripen? could she ripen? could we ripen? could you ripen? could they ripen?
Forma com V-ing
could I be ripening? could you be ripening? could she be ripening? could we be ripening? could you be ripening? could they be ripening?
Perfeito
could I have ripened? could you have ripened? could she have ripened? could we have ripened? could you have ripened? could they have ripened?
Perfeito com V-ing
could I have been ripening? could you have been ripening? could she have been ripening? could we have been ripening? could you have been ripening? could they have been ripening?
Forma interro-Negação
Forma simple
couldn't I ripen? couldn't you ripen? couldn't she ripen? couldn't we ripen? couldn't you ripen? couldn't they ripen?
Forma com V-ing
couldn't I be ripening? couldn't you be ripening? couldn't she be ripening? couldn't we be ripening? couldn't you be ripening? couldn't they be ripening?
Perfeito
couldn't I have ripened? couldn't you have ripened? couldn't she have ripened? couldn't we have ripened? couldn't you have ripened? couldn't they have ripened?
Perfeito com V-ing
couldn't I have been ripening? couldn't you have been ripening? couldn't she have been ripening? couldn't we have been ripening? couldn't you have been ripening? couldn't they have been ripening?