| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [prep] [det] | 119 |
|
| 2 | has [prep] [det] year | 47 |
|
| 3 | [been] [prep] [det] year | 41 |
|
| 4 | has [been] [prep] year | 7 |
|
