| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [noun] [Wh pn] | 448 |
|
| 2 | for a [noun] [noun] [pron] | 170 |
|
| 3 | for [art] [noun] [noun] [Wh pn] | 77 |
|
