| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at [prep] the [det] | 9 |
|
| 2 | [vb past] at about the [det] | 9 |
|
| 3 | [vb past] at about the [det] | 9 |
|
| 4 | [vb past] at [prep] the same | 9 |
|
