| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [adj] for [det] years | 42 |
|
| 2 | [been] [adj] for many years | 19 |
|
| 3 | [been] [adj] for some years | 12 |
|
| 4 | [been] [adj] for several years | 10 |
|
| 5 | [been] empty for [det] years | 6 |
|
