| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [verb] [prep] [art] | 3573 |
|
| 2 | but [pron] [verb] [prep] [art] | 764 |
|
| 3 | but when [pron] [verb] [prep] | 453 |
|
| 4 | but when [pron] [verb] [art] | 220 |
|
| 5 | but when [verb] [prep] [art] | 19 |
|
