| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] how [adj] | 1657 |
|
| 2 | and how [adj] | 1412 |
|
| 3 | [to-vb] and [adj] | 836 |
|
| 4 | [to-vb] and how | 104 |
|
