| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] [Wh pn] [modal v] [vb infin] | 515 |
|
| 2 | [prep] [Wh pn] [modal v] [vb infin] | 249 |
|
| 3 | [n mass] [prep] [Wh pn] [modal v] | 8 |
|
