| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about the time [adv] | 25 |
|
| 2 | about the time [Wh adv] | 23 |
|
| 3 | about the time when | 23 |
|
| 4 | about the time when | 23 |
|
| 5 | about the time [adv] | 21 |
|
