| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [prep] [det] year | 101 |
|
| 2 | been [vb pp] [prep] [det] [adv] | 35 |
|
| 3 | [vb pp] [prep] [det] year [adv] | 18 |
|
| 4 | been [vb pp] [det] year [adv] | 12 |
|
