| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] on [prep] a [adj] | 172 |
|
| 2 | [vb past] [prep] a [adj] time | 143 |
|
| 3 | on [prep] a [adj] time | 45 |
|
| 4 | [vb past] on [prep] [adj] time | 12 |
|
