| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when i [verb] [prep] | 1580 |
|
| 2 | but i [verb] [prep] | 667 |
|
| 3 | but when i [verb] | 415 |
|
| 4 | but when [verb] [prep] | 44 |
|
