| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [vb past] [pers pn] | 1999 |
|
| 2 | [prep] [noun] [vb past] at | 388 |
|
| 3 | [noun] [vb past] [pers pn] at | 348 |
|
| 4 | [prep] [noun] [pers pn] at | 11 |
|
