| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [modal v] the | 381 |
|
| 2 | how [vb mod] the | 381 |
|
| 3 | how could [art] | 137 |
|
| 4 | how could [art] | 137 |
|
| 5 | [adv] could the | 104 |
|
| 6 | how could the | 72 |
|
| 7 | how could the | 72 |
|
