| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has been [prep] [adj] | 36 |
|
| 2 | has been [prep] [adj] year | 28 |
|
| 3 | it has [prep] [adj] year | 11 |
|
| 4 | it has been [adj] year | 9 |
|
