| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] in [adj] years | 36 |
|
| 2 | [vb base] been [verb] in recent years | 34 |
|
| 3 | [vb base] been [vb pp] in [adj] years | 33 |
|
| 4 | [vb base] been made in [adj] years | 5 |
|
| 5 | [vb base] been make in [adj] years | 5 |
|
