| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [pron] [modal v] | 886 |
|
| 2 | [prep] [Wh pn] [modal v] | 466 |
|
| 3 | [prep] [Wh pn] [modal v] | 466 |
|
| 4 | to [Wh pn] [modal v] | 81 |
|
