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