| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [noun] [Wh det] | 1246 |
|
| 2 | by [art] [noun] [noun] [Wh det] | 217 |
|
| 3 | by a [noun] [noun] [pron] | 183 |
|
