| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [to-vb] [prep] [noun] | 265 |
|
| 2 | how [to-vb] [prep] [noun] | 265 |
|
| 3 | [adv] [to-vb] at [noun] | 147 |
|
| 4 | how [to-vb] at [noun] | 6 |
|
| 5 | how [verb] at [noun] | 6 |
|
