| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [pers pn] [modal v] | 6462 |
|
| 2 | [prep] [Wh det] [pers pn] [modal v] | 4474 |
|
| 3 | [prep] what [pron] [modal v] | 1380 |
|
| 4 | [prep] what [pers pn] [modal v] | 1316 |
|
