| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [adv] for [num] [adj] year | 6 |
|
| 2 | [been] [adv] for [num] [adj] years | 6 |
|
| 3 | [been] [adv] for [num] [num] year | 5 |
|
