| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb mod] have been [prep] | 395 |
|
| 2 | [vb mod] have been [v-ing] [prep] | 279 |
|
| 3 | [noun] [vb mod] have been [v-ing] | 277 |
|
