| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [adv] when | 1399 |
|
| 2 | [conj] [adv] when | 1352 |
|
| 3 | [conj] often [conj] | 35 |
|
| 4 | [conj] often when | 7 |
|
