| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [prep] [Wh det] [modal v] [vb infin] | 190 |
|
| 2 | [prep] [Wh det] [modal v] [adv] [vb infin] | 89 |
|
| 3 | [det] [prep] [Wh det] [modal v] [adv] | 43 |
|
| 4 | [det] [Wh det] [modal v] [adv] [vb infin] | 12 |
|
