| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could be [vb pp] [prep] | 1526 |
|
| 2 | [adj] could be [vb pp] [prep] | 483 |
|
| 3 | [adj] [pron] could be [vb pp] | 73 |
|
| 4 | [adj] [pron] could be [prep] | 12 |
|
