| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at which the [noun sg] of [noun pl] | 5 |
|
| 2 | at [pron] the [noun sg] of [noun pl] | 5 |
|
| 3 | at [Wh det] the [noun sg] of [noun pl] | 5 |
|
| 4 | at which the [noun sg] of [noun pl] | 5 |
|
