| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] has be [vb pp] [prep] recent | 7 |
|
| 2 | [det] has [been] [vb pp] [prep] recent | 7 |
|
| 3 | [det] has been [vb pp] [prep] recent | 7 |
|
| 4 | [det] has [be] [vb pp] in recent | 5 |
|
