| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [vb mod] i | 978 |
|
| 2 | how [modal v] i | 978 |
|
| 3 | [adv] shall i | 141 |
|
| 4 | how shall [pron] | 84 |
|
| 5 | how shall i | 45 |
|
