| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] be | 34549 |
|
| 2 | [pron] [vb past] at | 13601 |
|
| 3 | [pron] be at | 6162 |
|
| 4 | [vb past] be at | 457 |
|
