| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [verb] [art] | 7172 |
|
| 2 | [pron] [verb] what [art] | 915 |
|
| 3 | when [pron] [verb] what | 236 |
|
| 4 | when [verb] what [art] | 7 |
|
