| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] has been [prep] | 1096 |
|
| 2 | [noun] has been a | 914 |
|
| 3 | has been [prep] a | 130 |
|
| 4 | [noun] has [prep] a | 56 |
|
| 5 | [noun] been [prep] a | 13 |
|
