| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb -s] when [pron] [verb] | 106 |
|
| 2 | what [vb -s] [pron] [verb] [conj] | 64 |
|
| 3 | [vb -s] when [pron] [verb] [conj] | 26 |
|
