| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [pron] [modal v] | 3380 |
|
| 2 | [pron] [modal v] [noun sg] | 1257 |
|
| 3 | how [pron] [noun sg] | 604 |
|
| 4 | how [modal v] [noun sg] | 102 |
|
