| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a time when | 448 |
|
| 2 | [verb] [prep] a time when | 268 |
|
| 3 | [noun] [verb] [prep] a time | 156 |
|
| 4 | [noun] [verb] a time when | 6 |
|
