I could invent you could invent he could invent we could invent you could invent they could invent
Forma con V-ing
I could be inventing you could be inventing he could be inventing we could be inventing you could be inventing they could be inventing
Perfetto
I could have invented you could have invented he could have invented we could have invented you could have invented they could have invented
Perfetto con V-ing
I could have been inventing you could have been inventing he could have been inventing we could have been inventing you could have been inventing they could have been inventing
Negazione
Forma semplice
I couldn't invent you couldn't invent he couldn't invent we couldn't invent you couldn't invent they couldn't invent
Forma con V-ing
I couldn't be inventing you couldn't be inventing he couldn't be inventing we couldn't be inventing you couldn't be inventing they couldn't be inventing
Perfetto
I couldn't have invented you couldn't have invented he couldn't have invented we couldn't have invented you couldn't have invented they couldn't have invented
Perfetto con V-ing
I couldn't have been inventing you couldn't have been inventing he couldn't have been inventing we couldn't have been inventing you couldn't have been inventing they couldn't have been inventing
Forma interrogativa
Forma semplice
could I invent? could you invent? could he invent? could we invent? could you invent? could they invent?
Forma con V-ing
could I be inventing? could you be inventing? could he be inventing? could we be inventing? could you be inventing? could they be inventing?
Perfetto
could I have invented? could you have invented? could he have invented? could we have invented? could you have invented? could they have invented?
Perfetto con V-ing
could I have been inventing? could you have been inventing? could he have been inventing? could we have been inventing? could you have been inventing? could they have been inventing?
Forma interro-negativa
Forma semplice
couldn't I invent? couldn't you invent? couldn't he invent? couldn't we invent? couldn't you invent? couldn't they invent?
Forma con V-ing
couldn't I be inventing? couldn't you be inventing? couldn't he be inventing? couldn't we be inventing? couldn't you be inventing? couldn't they be inventing?
Perfetto
couldn't I have invented? couldn't you have invented? couldn't he have invented? couldn't we have invented? couldn't you have invented? couldn't they have invented?
Perfetto con V-ing
couldn't I have been inventing? couldn't you have been inventing? couldn't he have been inventing? couldn't we have been inventing? couldn't you have been inventing? couldn't they have been inventing?