| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [modal v] [verb] | 7438 |
|
| 2 | how [adv] [verb] | 1825 |
|
| 3 | how [adv] [modal v] | 669 |
|
| 4 | how [modal v] [verb] | 44 |
|
