| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [pos pn] [noun] when he | 17 |
|
| 2 | at [pos pn] [noun] when he | 17 |
|
| 3 | at [pos pn] [noun sg] when he | 14 |
|
| 4 | at his [noun] when he | 13 |
|
