| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] how [to-vb] [prep] | 251 |
|
| 2 | [prep] how [to-vb] [noun sg] | 122 |
|
| 3 | how [to-vb] [prep] [noun sg] | 119 |
|
| 4 | [prep] how [prep] [noun sg] | 22 |
|
| 5 | [prep] [to-vb] [prep] [noun sg] | 18 |
|
