| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [vb past] at [art] [noun] | 61 |
|
| 2 | [det] [verb] at [art] time | 33 |
|
| 3 | [adj] [vb past] at [art] time | 21 |
|
| 4 | [det] [vb past] [prep] [art] time | 19 |
|
