| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] first | 1875 |
|
| 2 | [vb past] [pron] at | 1866 |
|
| 3 | [pron] at first | 261 |
|
| 4 | [vb past] at first | 250 |
|
