| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [pron] [to-vb] | 1264 |
|
| 2 | [pron] how [to-vb] | 660 |
|
| 3 | to [pron] how | 143 |
|
| 4 | to how [to-vb] | 85 |
|
