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