| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [adv] | 139360 |
|
| 2 | [verb] how | 26651 |
|
| 3 | [to-vb] [Wh adv] | 8896 |
|
| 4 | [to-vb] how | 5484 |
|
