I could snowplow you could snowplow he could snowplow we could snowplow you could snowplow they could snowplow
Forma con V-ing
I could be snowplowing you could be snowplowing he could be snowplowing we could be snowplowing you could be snowplowing they could be snowplowing
Perfecto
I could have snowplowed you could have snowplowed he could have snowplowed we could have snowplowed you could have snowplowed they could have snowplowed
Perfecto con V-ing
I could have been snowplowing you could have been snowplowing he could have been snowplowing we could have been snowplowing you could have been snowplowing they could have been snowplowing
Negación
Forma simple
I couldn't snowplow you couldn't snowplow he couldn't snowplow we couldn't snowplow you couldn't snowplow they couldn't snowplow
Forma con V-ing
I couldn't be snowplowing you couldn't be snowplowing he couldn't be snowplowing we couldn't be snowplowing you couldn't be snowplowing they couldn't be snowplowing
Perfecto
I couldn't have snowplowed you couldn't have snowplowed he couldn't have snowplowed we couldn't have snowplowed you couldn't have snowplowed they couldn't have snowplowed
Perfecto con V-ing
I couldn't have been snowplowing you couldn't have been snowplowing he couldn't have been snowplowing we couldn't have been snowplowing you couldn't have been snowplowing they couldn't have been snowplowing
Forma interrogativa
Forma simple
could I snowplow? could you snowplow? could he snowplow? could we snowplow? could you snowplow? could they snowplow?
Forma con V-ing
could I be snowplowing? could you be snowplowing? could he be snowplowing? could we be snowplowing? could you be snowplowing? could they be snowplowing?
Perfecto
could I have snowplowed? could you have snowplowed? could he have snowplowed? could we have snowplowed? could you have snowplowed? could they have snowplowed?
Perfecto con V-ing
could I have been snowplowing? could you have been snowplowing? could he have been snowplowing? could we have been snowplowing? could you have been snowplowing? could they have been snowplowing?
Forma interro-negativa
Forma simple
couldn't I snowplow? couldn't you snowplow? couldn't he snowplow? couldn't we snowplow? couldn't you snowplow? couldn't they snowplow?
Forma con V-ing
couldn't I be snowplowing? couldn't you be snowplowing? couldn't he be snowplowing? couldn't we be snowplowing? couldn't you be snowplowing? couldn't they be snowplowing?
Perfecto
couldn't I have snowplowed? couldn't you have snowplowed? couldn't he have snowplowed? couldn't we have snowplowed? couldn't you have snowplowed? couldn't they have snowplowed?
Perfecto con V-ing
couldn't I have been snowplowing? couldn't you have been snowplowing? couldn't he have been snowplowing? couldn't we have been snowplowing? couldn't you have been snowplowing? couldn't they have been snowplowing?