| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] at [det] time | 71 |
|
| 2 | [pron] at [det] time [was/were] | 34 |
|
| 3 | [vb past] at [det] time [was/were] | 13 |
|
