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