| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for a | 477 |
|
| 2 | [vb mod] have been [verb] for | 290 |
|
| 3 | [vb mod] have been [verb] a | 118 |
|
| 4 | [vb mod] have [verb] for a | 100 |
|
