| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] [prep] recent year | 87 |
|
| 2 | [adv] [vb pp] [prep] recent year | 61 |
|
| 3 | [been] [adv] [vb pp] [prep] recent | 27 |
|
| 4 | [been] [adv] [vb pp] [prep] year | 6 |
|
