| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] at [num] | 81 |
|
| 2 | been [vb pp] [num] time | 78 |
|
| 3 | [vb pp] at [num] time | 73 |
|
| 4 | been [vb pp] at time | 9 |
|
| 5 | been at [num] time | 6 |
|
