I could skate you could skate he could skate we could skate you could skate they could skate
Forma con V-ing
I could be skating you could be skating he could be skating we could be skating you could be skating they could be skating
Perfetto
I could have skated you could have skated he could have skated we could have skated you could have skated they could have skated
Perfetto con V-ing
I could have been skating you could have been skating he could have been skating we could have been skating you could have been skating they could have been skating
Negazione
Forma semplice
I couldn't skate you couldn't skate he couldn't skate we couldn't skate you couldn't skate they couldn't skate
Forma con V-ing
I couldn't be skating you couldn't be skating he couldn't be skating we couldn't be skating you couldn't be skating they couldn't be skating
Perfetto
I couldn't have skated you couldn't have skated he couldn't have skated we couldn't have skated you couldn't have skated they couldn't have skated
Perfetto con V-ing
I couldn't have been skating you couldn't have been skating he couldn't have been skating we couldn't have been skating you couldn't have been skating they couldn't have been skating
Forma interrogativa
Forma semplice
could I skate? could you skate? could he skate? could we skate? could you skate? could they skate?
Forma con V-ing
could I be skating? could you be skating? could he be skating? could we be skating? could you be skating? could they be skating?
Perfetto
could I have skated? could you have skated? could he have skated? could we have skated? could you have skated? could they have skated?
Perfetto con V-ing
could I have been skating? could you have been skating? could he have been skating? could we have been skating? could you have been skating? could they have been skating?
Forma interro-negativa
Forma semplice
couldn't I skate? couldn't you skate? couldn't he skate? couldn't we skate? couldn't you skate? couldn't they skate?
Forma con V-ing
couldn't I be skating? couldn't you be skating? couldn't he be skating? couldn't we be skating? couldn't you be skating? couldn't they be skating?
Perfetto
couldn't I have skated? couldn't you have skated? couldn't he have skated? couldn't we have skated? couldn't you have skated? couldn't they have skated?
Perfetto con V-ing
couldn't I have been skating? couldn't you have been skating? couldn't he have been skating? couldn't we have been skating? couldn't you have been skating? couldn't they have been skating?