| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh adv] [to-vb] | 1829 |
|
| 2 | [prep] [Wh adv] [adv] | 1271 |
|
| 3 | [prep] [adv] [to-vb] | 844 |
|
| 4 | [Wh adv] [adv] [to-vb] | 400 |
|
