| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] at [noun] | 1487 |
|
| 2 | [subord] at [noun sg] | 507 |
|
| 3 | [conj] at school | 61 |
|
| 4 | [subord] [prep] school | 41 |
|
| 5 | [subord] [prep] school | 41 |
|
| 6 | [subord] at school | 20 |
|
| 7 | [subord] at school | 20 |
|
