| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [prep] [pos pn] [noun] | 368 |
|
| 2 | have been [prep] [noun] at | 49 |
|
| 3 | have [prep] [pos pn] [noun] at | 12 |
|
| 4 | been [prep] [pos pn] [noun] at | 10 |
|
