I could bicycle you could bicycle she could bicycle we could bicycle you could bicycle they could bicycle
Forma com V-ing
I could be bicycling you could be bicycling she could be bicycling we could be bicycling you could be bicycling they could be bicycling
Perfeito
I could have bicycled you could have bicycled she could have bicycled we could have bicycled you could have bicycled they could have bicycled
Perfeito com V-ing
I could have been bicycling you could have been bicycling she could have been bicycling we could have been bicycling you could have been bicycling they could have been bicycling
Negação
Forma simple
I couldn't bicycle you couldn't bicycle she couldn't bicycle we couldn't bicycle you couldn't bicycle they couldn't bicycle
Forma com V-ing
I couldn't be bicycling you couldn't be bicycling she couldn't be bicycling we couldn't be bicycling you couldn't be bicycling they couldn't be bicycling
Perfeito
I couldn't have bicycled you couldn't have bicycled she couldn't have bicycled we couldn't have bicycled you couldn't have bicycled they couldn't have bicycled
Perfeito com V-ing
I couldn't have been bicycling you couldn't have been bicycling she couldn't have been bicycling we couldn't have been bicycling you couldn't have been bicycling they couldn't have been bicycling
Forma interrogativa
Forma simple
could I bicycle? could you bicycle? could she bicycle? could we bicycle? could you bicycle? could they bicycle?
Forma com V-ing
could I be bicycling? could you be bicycling? could she be bicycling? could we be bicycling? could you be bicycling? could they be bicycling?
Perfeito
could I have bicycled? could you have bicycled? could she have bicycled? could we have bicycled? could you have bicycled? could they have bicycled?
Perfeito com V-ing
could I have been bicycling? could you have been bicycling? could she have been bicycling? could we have been bicycling? could you have been bicycling? could they have been bicycling?
Forma interro-Negação
Forma simple
couldn't I bicycle? couldn't you bicycle? couldn't she bicycle? couldn't we bicycle? couldn't you bicycle? couldn't they bicycle?
Forma com V-ing
couldn't I be bicycling? couldn't you be bicycling? couldn't she be bicycling? couldn't we be bicycling? couldn't you be bicycling? couldn't they be bicycling?
Perfeito
couldn't I have bicycled? couldn't you have bicycled? couldn't she have bicycled? couldn't we have bicycled? couldn't you have bicycled? couldn't they have bicycled?
Perfeito com V-ing
couldn't I have been bicycling? couldn't you have been bicycling? couldn't she have been bicycling? couldn't we have been bicycling? couldn't you have been bicycling? couldn't they have been bicycling?