| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [adv] [vb pp] [prep] | 1308 |
|
| 2 | has [been] [vb pp] [prep] recent | 71 |
|
| 3 | [been] [adv] [vb pp] [prep] recent | 27 |
|
| 4 | has [adv] [vb pp] [prep] recent | 10 |
|
