| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] for four [noun pl] | 14 |
|
| 2 | [been] [vb pp] for four [noun pl] | 14 |
|
| 3 | [been] [vb pp] for four years | 5 |
|
| 4 | [been] [vb pp] for four months | 5 |
|
