| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] a [noun] | 9205 |
|
| 2 | [prep] how a [noun] | 158 |
|
| 3 | [to-vb] how a [noun] | 79 |
|
| 4 | [to-vb] [prep] how [noun] | 30 |
|
| 5 | [to-vb] [prep] how a | 7 |
|
