| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been [vb pp] | 23468 |
|
| 2 | [pron] have [vb pp] several | 289 |
|
| 3 | [pron] have been several | 112 |
|
| 4 | have been [vb pp] several | 71 |
|
