| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [vb pp] [prep] [adj] | 647 |
|
| 2 | [be] [vb pp] [prep] any [adj] | 424 |
|
| 3 | could [be] [vb pp] [prep] any | 114 |
|
