| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] at [art] time | 204 |
|
| 2 | [vb past] [prep] [pron] at [art] | 153 |
|
| 3 | [vb past] [pron] at [art] time | 52 |
|
| 4 | [vb past] [prep] at [art] time | 6 |
|
