| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [noun] [pron] | 10089 |
|
| 2 | [prep] an [noun] [noun] | 9440 |
|
| 3 | [prep] an [noun] [pron] | 2176 |
|
| 4 | an [noun] [noun] [pron] | 717 |
|
