I could tee you could tee she could tee we could tee you could tee they could tee
Forma con V-ing
I could be teeing you could be teeing she could be teeing we could be teeing you could be teeing they could be teeing
Perfecto
I could have teed you could have teed she could have teed we could have teed you could have teed they could have teed
Perfecto con V-ing
I could have been teeing you could have been teeing she could have been teeing we could have been teeing you could have been teeing they could have been teeing
Negación
Forma simple
I couldn't tee you couldn't tee she couldn't tee we couldn't tee you couldn't tee they couldn't tee
Forma con V-ing
I couldn't be teeing you couldn't be teeing she couldn't be teeing we couldn't be teeing you couldn't be teeing they couldn't be teeing
Perfecto
I couldn't have teed you couldn't have teed she couldn't have teed we couldn't have teed you couldn't have teed they couldn't have teed
Perfecto con V-ing
I couldn't have been teeing you couldn't have been teeing she couldn't have been teeing we couldn't have been teeing you couldn't have been teeing they couldn't have been teeing
Forma interrogativa
Forma simple
could I tee? could you tee? could she tee? could we tee? could you tee? could they tee?
Forma con V-ing
could I be teeing? could you be teeing? could she be teeing? could we be teeing? could you be teeing? could they be teeing?
Perfecto
could I have teed? could you have teed? could she have teed? could we have teed? could you have teed? could they have teed?
Perfecto con V-ing
could I have been teeing? could you have been teeing? could she have been teeing? could we have been teeing? could you have been teeing? could they have been teeing?
Forma interro-negativa
Forma simple
couldn't I tee? couldn't you tee? couldn't she tee? couldn't we tee? couldn't you tee? couldn't they tee?
Forma con V-ing
couldn't I be teeing? couldn't you be teeing? couldn't she be teeing? couldn't we be teeing? couldn't you be teeing? couldn't they be teeing?
Perfecto
couldn't I have teed? couldn't you have teed? couldn't she have teed? couldn't we have teed? couldn't you have teed? couldn't they have teed?
Perfecto con V-ing
couldn't I have been teeing? couldn't you have been teeing? couldn't she have been teeing? couldn't we have been teeing? couldn't you have been teeing? couldn't they have been teeing?