| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] [prep] [det] | 3415 |
|
| 2 | [vb pp] [prep] [det] year | 519 |
|
| 3 | [been] [vb pp] [det] year | 70 |
|
| 4 | [been] [vb pp] [prep] year | 54 |
|
| 5 | [been] [prep] [det] year | 41 |
|
