| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] for about [num] [noun] | 9 |
|
| 2 | been [vb pp] for about [num] [noun pl] | 9 |
|
| 3 | been [vb pp] for about [num] year | 6 |
|
| 4 | been [vb pp] for about [num] years | 6 |
|
