| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] [prep] three | 51 |
|
| 2 | been [verb] [prep] three years | 34 |
|
| 3 | has been [verb] [prep] years | 19 |
|
| 4 | has [verb] [prep] three years | 8 |
|
