| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [verb] at a time when | 18 |
|
| 2 | [pron] [vb past] at a time when | 12 |
|
| 3 | [pers pn] [vb past] at a [noun] when | 11 |
|
| 4 | [pers pn] [vb past] at a [noun sg] when | 11 |
|
| 5 | [pers pn] [vb past] at [art] time when | 11 |
|
| 6 | [pers pn] [vb past] [prep] a time when | 10 |
|
| 7 | [pers pn] [vb past] at a time when | 10 |
|
| 8 | [pers pn] [vb past] at a time [adv] | 10 |
|
