| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] it | 24847 |
|
| 2 | [pron] it could | 240 |
|
| 3 | [vb past] it could | 231 |
|
| 4 | [pron] [vb past] could | 123 |
|
