| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been a [adj] | 1908 |
|
| 2 | been [prep] a [adj] | 389 |
|
| 3 | has been [prep] [adj] | 351 |
|
| 4 | has been [prep] a | 146 |
|
| 5 | has [prep] a [adj] | 51 |
|
