Verbo regular: exist - existed - existed
Forma simple | Forma con V-ing |
I could exist you could exist she could exist we could exist you could exist they could exist | I could be existing you could be existing she could be existing we could be existing you could be existing they could be existing |
Perfecto | Perfecto con V-ing |
I could have existed you could have existed she could have existed we could have existed you could have existed they could have existed | I could have been existing you could have been existing she could have been existing we could have been existing you could have been existing they could have been existing |
Forma simple | Forma con V-ing |
I couldn't exist you couldn't exist she couldn't exist we couldn't exist you couldn't exist they couldn't exist | I couldn't be existing you couldn't be existing she couldn't be existing we couldn't be existing you couldn't be existing they couldn't be existing |
Perfecto | Perfecto con V-ing |
I couldn't have existed you couldn't have existed she couldn't have existed we couldn't have existed you couldn't have existed they couldn't have existed | I couldn't have been existing you couldn't have been existing she couldn't have been existing we couldn't have been existing you couldn't have been existing they couldn't have been existing |
Forma simple | Forma con V-ing |
could I exist? could you exist? could she exist? could we exist? could you exist? could they exist? | could I be existing? could you be existing? could she be existing? could we be existing? could you be existing? could they be existing? |
Perfecto | Perfecto con V-ing |
could I have existed? could you have existed? could she have existed? could we have existed? could you have existed? could they have existed? | could I have been existing? could you have been existing? could she have been existing? could we have been existing? could you have been existing? could they have been existing? |
Forma simple | Forma con V-ing |
couldn't I exist? couldn't you exist? couldn't she exist? couldn't we exist? couldn't you exist? couldn't they exist? | couldn't I be existing? couldn't you be existing? couldn't she be existing? couldn't we be existing? couldn't you be existing? couldn't they be existing? |
Perfecto | Perfecto con V-ing |
couldn't I have existed? couldn't you have existed? couldn't she have existed? couldn't we have existed? couldn't you have existed? couldn't they have existed? | couldn't I have been existing? couldn't you have been existing? couldn't she have been existing? couldn't we have been existing? couldn't you have been existing? couldn't they have been existing? |