| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a time when [adj] | 248 |
|
| 2 | [adv] [prep] a time when | 94 |
|
| 3 | [adv] [prep] a time [adj] | 10 |
|
| 4 | [adv] a time when [adj] | 8 |
|
