| 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] [adj] [noun pl] | 6 |
|
| 4 | been [adv] for [num] [num] [noun] | 5 |
|
