| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [pron] | 12907 |
|
| 2 | [prep] [pron] [vb mod] | 9078 |
|
| 3 | what [pron] [vb mod] | 7726 |
|
| 4 | [prep] what [vb mod] | 2049 |
|
