| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [vb pp] at | 860 |
|
| 2 | [vb pp] at school | 138 |
|
| 3 | [vb base] [vb pp] school | 47 |
|
| 4 | [vb base] at school | 33 |
|
