| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb base] [pron] [verb] [prep] | 1631 |
|
| 2 | [pron] [vb base] [pron] [verb] to | 810 |
|
| 3 | what [verb] [pron] [verb] to | 302 |
|
| 4 | [Wh det] [vb base] [pron] [verb] to | 173 |
|
| 5 | what [vb base] [pron] [verb] to | 159 |
|
