| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] [prep] a | 23230 |
|
| 2 | when [pron] [verb] [prep] | 10539 |
|
| 3 | when [pron] [verb] a | 2020 |
|
| 4 | when [verb] [prep] a | 590 |
|
| 5 | when [pron] [prep] a | 9 |
|
