| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about [pron] at the time | 15 |
|
| 2 | about [pron] at the time | 15 |
|
| 3 | about [pers pn] at the time | 14 |
|
| 4 | about it at the time | 10 |
|
| 5 | about it at the time | 10 |
|
