| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [prep] [det] [noun] | 577 |
|
| 2 | [be] [prep] [det] year | 121 |
|
| 3 | [been] [prep] [adj] year | 74 |
|
| 4 | [been] [prep] [det] year | 41 |
|
