| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] an [noun] [prep] | 19858 |
|
| 2 | [prep] [noun] [adv] [prep] | 7217 |
|
| 3 | [prep] an [noun] [adv] | 1020 |
|
| 4 | an [noun] [adv] [prep] | 509 |
|
| 5 | [prep] an [adv] [prep] | 10 |
|
