| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] an [noun] | 60396 |
|
| 2 | [coord] [prep] [noun] | 38585 |
|
| 3 | [coord] an [noun] | 5360 |
|
| 4 | [coord] [prep] an | 1812 |
|
