| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] a [noun] | 8490 |
|
| 2 | [adv] [be] a [noun] | 5903 |
|
| 3 | [prep] [adv] a [noun] | 3372 |
|
| 4 | [prep] [adv] [be] a | 174 |
|
| 5 | [prep] [adv] [be] [noun] | 104 |
|
