| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been a [noun] | 5735 |
|
| 2 | have been [prep] [noun] | 3542 |
|
| 3 | have been [prep] a | 873 |
|
| 4 | been [prep] a [noun] | 765 |
|
| 5 | have [prep] a [noun] | 338 |
|
