| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [verb] [prep] three | 37 |
|
| 2 | been [verb] [prep] three years | 34 |
|
| 3 | [vb past] been [verb] [prep] years | 33 |
|
| 4 | [vb past] [verb] [prep] three years | 9 |
|
