| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for [det] a | 9 |
|
| 2 | have [been] [verb] for such a | 7 |
|
| 3 | have [been] [verb] for [det] a | 7 |
|
| 4 | have [been] [vb pp] for [det] a | 5 |
|
