| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] over [adj] years | 18 |
|
| 2 | been [verb] over many years | 12 |
|
| 3 | been [verb] over [det] years | 12 |
|
| 4 | been [verb] over many years | 12 |
|
| 5 | been [verb] over [adj] years | 6 |
|
| 6 | been [verb] over recent years | 5 |
|
| 7 | been [verb] over recent years | 5 |
|
