| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could be [vb pp] to | 167 |
|
| 2 | could be [vb pp] to [adj] | 78 |
|
| 3 | [pron] could be [vb pp] [adj] | 64 |
|
| 4 | [pron] be [vb pp] to [adj] | 6 |
|
