| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [adj] for several year | 5 |
|
| 2 | [vb past] been [adj] [prep] several year | 5 |
|
| 3 | [vb past] been [adj] [prep] several year | 5 |
|
| 4 | [vb past] been [adj] for several year | 5 |
|
| 5 | [vb past] been [adj] [prep] several years | 5 |
|
| 6 | had been [adj] [prep] several year | 5 |
|
