| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] an [noun] | 418 |
|
| 2 | or [prep] an [noun] | 211 |
|
| 3 | or [adv] an [noun] | 110 |
|
| 4 | or [prep] [adv] [noun] | 79 |
|
| 5 | or [prep] [adv] an | 19 |
|
