| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been [vb pp] | 53110 |
|
| 2 | have been [vb pp] during | 272 |
|
| 3 | [noun] have [vb pp] during | 161 |
|
| 4 | [noun] have been during | 6 |
|
