| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | school at [adj] time | 11 |
|
| 2 | school at [adj] time | 9 |
|
| 3 | school at [det] time | 9 |
|
| 4 | school at that time | 5 |
|
| 5 | school at that time | 5 |
|
