| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [vb past] at the [adj] [noun] | 168 |
|
| 2 | [conj] [verb] at the [adj] time | 117 |
|
| 3 | [conj] [vb past] [prep] the [adj] time | 29 |
|
| 4 | [conj] [vb past] [prep] the [adj] time | 29 |
|
| 5 | [conj] [vb past] at the [adj] time | 9 |
|
| 6 | [conj] [vb past] at [art] [adj] time | 9 |
|
