| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] been [vb pp] for [num] [noun] | 42 |
|
| 2 | [adv] been [vb pp] for [num] [noun pl] | 38 |
|
| 3 | [adv] [be] [vb pp] for [num] years | 27 |
|
| 4 | [adv] be [vb pp] for [num] years | 27 |
|
| 5 | [adv] been [vb pp] [prep] [num] years | 25 |
|
| 6 | [adv] been [vb pp] [prep] [num] years | 25 |
|
| 7 | [adv] been [vb pp] for [adj] years | 25 |
|
| 8 | [adv] been [verb] for [num] years | 22 |
|
| 9 | [adv] been [vb pp] for [num] year | 18 |
|
| 10 | [adv] [been] [vb pp] for [num] years | 18 |
|
| 11 | [adv] been [vb pp] for [num] years | 18 |
|
