I could christen you could christen she could christen we could christen you could christen they could christen
Forma con V-ing
I could be christening you could be christening she could be christening we could be christening you could be christening they could be christening
Perfecto
I could have christened you could have christened she could have christened we could have christened you could have christened they could have christened
Perfecto con V-ing
I could have been christening you could have been christening she could have been christening we could have been christening you could have been christening they could have been christening
Negación
Forma simple
I couldn't christen you couldn't christen she couldn't christen we couldn't christen you couldn't christen they couldn't christen
Forma con V-ing
I couldn't be christening you couldn't be christening she couldn't be christening we couldn't be christening you couldn't be christening they couldn't be christening
Perfecto
I couldn't have christened you couldn't have christened she couldn't have christened we couldn't have christened you couldn't have christened they couldn't have christened
Perfecto con V-ing
I couldn't have been christening you couldn't have been christening she couldn't have been christening we couldn't have been christening you couldn't have been christening they couldn't have been christening
Forma interrogativa
Forma simple
could I christen? could you christen? could she christen? could we christen? could you christen? could they christen?
Forma con V-ing
could I be christening? could you be christening? could she be christening? could we be christening? could you be christening? could they be christening?
Perfecto
could I have christened? could you have christened? could she have christened? could we have christened? could you have christened? could they have christened?
Perfecto con V-ing
could I have been christening? could you have been christening? could she have been christening? could we have been christening? could you have been christening? could they have been christening?
Forma interro-negativa
Forma simple
couldn't I christen? couldn't you christen? couldn't she christen? couldn't we christen? couldn't you christen? couldn't they christen?
Forma con V-ing
couldn't I be christening? couldn't you be christening? couldn't she be christening? couldn't we be christening? couldn't you be christening? couldn't they be christening?
Perfecto
couldn't I have christened? couldn't you have christened? couldn't she have christened? couldn't we have christened? couldn't you have christened? couldn't they have christened?
Perfecto con V-ing
couldn't I have been christening? couldn't you have been christening? couldn't she have been christening? couldn't we have been christening? couldn't you have been christening? couldn't they have been christening?