Regular verb: drain - drained - drained
Simple form | V-ing form |
I could drain you could drain he could drain we could drain you could drain they could drain | I could be draining you could be draining he could be draining we could be draining you could be draining they could be draining |
Perfect | V-ing perfect |
I could have drained you could have drained he could have drained we could have drained you could have drained they could have drained | 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 |
Simple form | V-ing form |
I could not drain you could not drain he could not drain we could not drain you could not drain they could not drain | I could not be draining you could not be draining he could not be draining we could not be draining you could not be draining they could not be draining |
Perfect | V-ing perfect |
I could not have drained you could not have drained he could not have drained we could not have drained you could not have drained they could not have drained | I could not have been draining you could not have been draining he could not have been draining we could not have been draining you could not have been draining they could not have been draining |
Simple form | V-ing form |
could I drain? could you drain? could he drain? could we drain? could you drain? could they drain? | could I be draining? could you be draining? could he be draining? could we be draining? could you be draining? could they be draining? |
Perfect | V-ing perfect |
could I have drained? could you have drained? could he have drained? could we have drained? could you have drained? could they have drained? | 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? |
Simple form | V-ing form |
could I not drain? could you not drain? could he not drain? could we not drain? could you not drain? could they not drain? | could I not be draining? could you not be draining? could he not be draining? could we not be draining? could you not be draining? could they not be draining? |
Perfect | V-ing perfect |
could I not have drained? could you not have drained? could he not have drained? could we not have drained? could you not have drained? could they not have drained? | could I not have been draining? could you not have been draining? could he not have been draining? could we not have been draining? could you not have been draining? could they not have been draining? |