| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] a [noun] | 3372 |
|
| 2 | been [prep] a [noun] | 765 |
|
| 3 | been [adv] a [noun] | 269 |
|
| 4 | been [prep] [adv] a | 27 |
|
| 5 | been [prep] [adv] [noun] | 15 |
|
