| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [det] has [vb pp] | 19 |
|
| 2 | [det] has he [vb pp] | 6 |
|
| 3 | how has he [vb pp] | 5 |
|
| 4 | how [det] has he | 5 |
|
