| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] how [verb] it work | 9 |
|
| 2 | [conj] how [verb] it work | 9 |
|
| 3 | and how [verb] it work | 5 |
|
| 4 | and how [verb] it work | 5 |
|
| 5 | how [verb] it work [adv] | 6 |
|
| 6 | how [verb] it work [prep] | 5 |
|
| 7 | how [verb] it work [prep] | 5 |
|
