| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] [adv] at the | 66 |
|
| 2 | [been] [vb pp] at the time | 60 |
|
| 3 | [vb pp] [adv] at the time | 47 |
|
| 4 | [been] [adv] at the time | 8 |
|
