| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at [noun] [prep] | 984 |
|
| 2 | at first [noun] [prep] | 113 |
|
| 3 | [vb past] first [noun] [prep] | 69 |
|
| 4 | [vb past] at first [noun] | 37 |
|
| 5 | [vb past] at first [prep] | 24 |
|
