| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [verb] [prep] [num] | 694 |
|
| 2 | been [verb] [prep] [num] years | 275 |
|
| 3 | [vb -s] [verb] [prep] [num] years | 92 |
|
| 4 | [vb -s] been [verb] [prep] years | 28 |
|
| 5 | [vb -s] been [verb] [num] years | 12 |
|
| 6 | [vb -s] been [prep] [num] years | 8 |
|
