| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] a [noun] | 7185 |
|
| 2 | [prep] [adv] a [noun] | 3372 |
|
| 3 | [be] [adv] a [noun] | 460 |
|
| 4 | [prep] [be] [adv] a | 287 |
|
| 5 | [prep] [be] [adv] [noun] | 213 |
|
