| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about [pron] at the time | 15 |
|
| 2 | about [pers pn] [prep] the time | 15 |
|
| 3 | about it [prep] the time | 11 |
|
| 4 | about it [prep] the time | 11 |
|
