I could bobsled you could bobsled he could bobsled we could bobsled you could bobsled they could bobsled
Forma com V-ing
I could be bobsleding you could be bobsleding he could be bobsleding we could be bobsleding you could be bobsleding they could be bobsleding
Perfeito
I could have bobsleded you could have bobsleded he could have bobsleded we could have bobsleded you could have bobsleded they could have bobsleded
Perfeito com V-ing
I could have been bobsleding you could have been bobsleding he could have been bobsleding we could have been bobsleding you could have been bobsleding they could have been bobsleding
Negação
Forma simple
I couldn't bobsled you couldn't bobsled he couldn't bobsled we couldn't bobsled you couldn't bobsled they couldn't bobsled
Forma com V-ing
I couldn't be bobsleding you couldn't be bobsleding he couldn't be bobsleding we couldn't be bobsleding you couldn't be bobsleding they couldn't be bobsleding
Perfeito
I couldn't have bobsleded you couldn't have bobsleded he couldn't have bobsleded we couldn't have bobsleded you couldn't have bobsleded they couldn't have bobsleded
Perfeito com V-ing
I couldn't have been bobsleding you couldn't have been bobsleding he couldn't have been bobsleding we couldn't have been bobsleding you couldn't have been bobsleding they couldn't have been bobsleding
Forma interrogativa
Forma simple
could I bobsled? could you bobsled? could he bobsled? could we bobsled? could you bobsled? could they bobsled?
Forma com V-ing
could I be bobsleding? could you be bobsleding? could he be bobsleding? could we be bobsleding? could you be bobsleding? could they be bobsleding?
Perfeito
could I have bobsleded? could you have bobsleded? could he have bobsleded? could we have bobsleded? could you have bobsleded? could they have bobsleded?
Perfeito com V-ing
could I have been bobsleding? could you have been bobsleding? could he have been bobsleding? could we have been bobsleding? could you have been bobsleding? could they have been bobsleding?
Forma interro-Negação
Forma simple
couldn't I bobsled? couldn't you bobsled? couldn't he bobsled? couldn't we bobsled? couldn't you bobsled? couldn't they bobsled?
Forma com V-ing
couldn't I be bobsleding? couldn't you be bobsleding? couldn't he be bobsleding? couldn't we be bobsleding? couldn't you be bobsleding? couldn't they be bobsleding?
Perfeito
couldn't I have bobsleded? couldn't you have bobsleded? couldn't he have bobsleded? couldn't we have bobsleded? couldn't you have bobsleded? couldn't they have bobsleded?
Perfeito com V-ing
couldn't I have been bobsleding? couldn't you have been bobsleding? couldn't he have been bobsleding? couldn't we have been bobsleding? couldn't you have been bobsleding? couldn't they have been bobsleding?