| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [verb] but [pers pn] [verb] | 6 |
|
| 2 | what [vb past] but [pron] [verb] | 5 |
|
| 3 | what happened but [pron] [verb] | 5 |
|
| 4 | what happen but [pron] [verb] | 5 |
|
