| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] [pron] [modal v] [vb infin] | 3142 |
|
| 2 | [prep] [Wh det] case [pron] [modal v] | 208 |
|
| 3 | [Wh det] case [pron] [modal v] [vb infin] | 97 |
|
| 4 | [prep] case [pron] [modal v] [vb infin] | 74 |
|
