| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [verb] [adv prt] | 5738 |
|
| 2 | but when [pron] [verb] | 2019 |
|
| 3 | but [pron] [verb] [adv prt] | 1073 |
|
| 4 | but when [verb] [adv prt] | 6 |
|
