| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [noun] | 70564 |
|
| 2 | [prep] a [noun] [pron] | 17138 |
|
| 3 | [prep] [noun] [noun] [pron] | 10089 |
|
| 4 | a [noun] [noun] [pron] | 4965 |
|
