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