| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been for [det] year | 10 |
|
| 2 | [vb past] [been] for [det] years | 10 |
|
| 3 | had [been] for [det] year | 10 |
|
| 4 | [vb past] [been] for many year | 7 |
|
