| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [prep] [noun] for | 3733 |
|
| 2 | a [noun] [prep] [noun] [num] | 2621 |
|
| 3 | [noun] [prep] [noun] for [num] | 913 |
|
| 4 | a [noun] [noun] for [num] | 255 |
|
