| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [vb mod] [pos pn] [noun] | 59 |
|
| 2 | how [modal v] [pos pn] [noun] | 59 |
|
| 3 | [adv] could [pos pn] [noun] | 19 |
|
| 4 | [Wh adv] could [pos pn] [noun] | 12 |
|
| 5 | how could [pron] [noun] | 12 |
|
| 6 | how could [pos pn] [noun] | 11 |
|
| 7 | how could [pos pn] [noun] | 11 |
|
