| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been a time when [pron] | 16 |
|
| 2 | been a time [Wh adv] [pron] | 16 |
|
| 3 | been a time when [pron] | 16 |
|
| 4 | been a time [adv] [pers pn] | 14 |
|
