| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [conj] | 37774 |
|
| 2 | been [prep] a [noun] | 765 |
|
| 3 | been a [noun] [conj] | 423 |
|
| 4 | been [prep] [noun] [conj] | 414 |
|
