I could drain you could drain he could drain we could drain you could drain they could drain
Forma com V-ing
I could be draining you could be draining he could be draining we could be draining you could be draining they could be draining
Perfeito
I could have drained you could have drained he could have drained we could have drained you could have drained they could have drained
Perfeito com V-ing
I could have been draining you could have been draining he could have been draining we could have been draining you could have been draining they could have been draining
Negação
Forma simple
I couldn't drain you couldn't drain he couldn't drain we couldn't drain you couldn't drain they couldn't drain
Forma com V-ing
I couldn't be draining you couldn't be draining he couldn't be draining we couldn't be draining you couldn't be draining they couldn't be draining
Perfeito
I couldn't have drained you couldn't have drained he couldn't have drained we couldn't have drained you couldn't have drained they couldn't have drained
Perfeito com V-ing
I couldn't have been draining you couldn't have been draining he couldn't have been draining we couldn't have been draining you couldn't have been draining they couldn't have been draining
Forma interrogativa
Forma simple
could I drain? could you drain? could he drain? could we drain? could you drain? could they drain?
Forma com V-ing
could I be draining? could you be draining? could he be draining? could we be draining? could you be draining? could they be draining?
Perfeito
could I have drained? could you have drained? could he have drained? could we have drained? could you have drained? could they have drained?
Perfeito com V-ing
could I have been draining? could you have been draining? could he have been draining? could we have been draining? could you have been draining? could they have been draining?
Forma interro-Negação
Forma simple
couldn't I drain? couldn't you drain? couldn't he drain? couldn't we drain? couldn't you drain? couldn't they drain?
Forma com V-ing
couldn't I be draining? couldn't you be draining? couldn't he be draining? couldn't we be draining? couldn't you be draining? couldn't they be draining?
Perfeito
couldn't I have drained? couldn't you have drained? couldn't he have drained? couldn't we have drained? couldn't you have drained? couldn't they have drained?
Perfeito com V-ing
couldn't I have been draining? couldn't you have been draining? couldn't he have been draining? couldn't we have been draining? couldn't you have been draining? couldn't they have been draining?