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