| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [adj] for [det] years | 14 |
|
| 2 | [vb past] be [adj] for [det] years | 14 |
|
| 3 | [vb past] [been] [adj] for [det] years | 14 |
|
| 4 | [vb past] [be] [adj] for [det] years | 14 |
|
| 5 | had [be] [adj] for [det] years | 13 |
|
| 6 | [vb past] [be] [adj] for several years | 5 |
|
