| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been [num] years | 16 |
|
| 2 | [noun] had been [num] years | 11 |
|
| 3 | [noun] [vb past] been [num] years | 11 |
|
| 4 | [noun sg] [verb] been [num] years | 9 |
|
| 5 | [noun] [vb -s] been [num] years | 5 |
|
| 6 | [noun prp] [verb] been [num] years | 5 |
|
