Regular verb: scan - scanned - scanned
Simple form | V-ing form |
I could scan you could scan she could scan we could scan you could scan they could scan | I could be scanning you could be scanning she could be scanning we could be scanning you could be scanning they could be scanning |
Perfect | V-ing perfect |
I could have scanned you could have scanned she could have scanned we could have scanned you could have scanned they could have scanned | I could have been scanning you could have been scanning she could have been scanning we could have been scanning you could have been scanning they could have been scanning |
Simple form | V-ing form |
I could not scan you could not scan she could not scan we could not scan you could not scan they could not scan | I could not be scanning you could not be scanning she could not be scanning we could not be scanning you could not be scanning they could not be scanning |
Perfect | V-ing perfect |
I could not have scanned you could not have scanned she could not have scanned we could not have scanned you could not have scanned they could not have scanned | I could not have been scanning you could not have been scanning she could not have been scanning we could not have been scanning you could not have been scanning they could not have been scanning |
Simple form | V-ing form |
could I scan? could you scan? could she scan? could we scan? could you scan? could they scan? | could I be scanning? could you be scanning? could she be scanning? could we be scanning? could you be scanning? could they be scanning? |
Perfect | V-ing perfect |
could I have scanned? could you have scanned? could she have scanned? could we have scanned? could you have scanned? could they have scanned? | could I have been scanning? could you have been scanning? could she have been scanning? could we have been scanning? could you have been scanning? could they have been scanning? |
Simple form | V-ing form |
could I not scan? could you not scan? could she not scan? could we not scan? could you not scan? could they not scan? | could I not be scanning? could you not be scanning? could she not be scanning? could we not be scanning? could you not be scanning? could they not be scanning? |
Perfect | V-ing perfect |
could I not have scanned? could you not have scanned? could she not have scanned? could we not have scanned? could you not have scanned? could they not have scanned? | could I not have been scanning? could you not have been scanning? could she not have been scanning? could we not have been scanning? could you not have been scanning? could they not have been scanning? |