| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun] 's [noun] | 3803 |
|
| 2 | [prep] children 's [noun] | 867 |
|
| 3 | at [noun pl] 's [noun] | 32 |
|
| 4 | at child 's [noun] | 12 |
|
| 5 | at children [unc] [noun] | 11 |
|
