| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] [prep] [adj] | 656 |
|
| 2 | could be [vb pp] [prep] [adj] | 647 |
|
| 3 | [vb mod] be done [prep] [adj] | 97 |
|
| 4 | [modal v] be done [prep] [adj] | 97 |
|
| 5 | could be done [prep] [adj] | 29 |
|
| 6 | could be do [prep] [adj] | 14 |
|
| 7 | could be done [prep] [adj] | 12 |
|
| 8 | could be done [prep] [adj] | 12 |
|
| 9 | could [be] done [prep] [adj] | 12 |
|
