| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] at [adj] time | 10 |
|
| 2 | has [been] [vb pp] at [adj] time | 10 |
|
| 3 | has [been] [vb pp] at [adj] times | 7 |
|
| 4 | has [been] [vb pp] at [det] time | 5 |
|
