| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] at [noun] | 524 |
|
| 2 | [been] [vb pp] [prep] time | 47 |
|
| 3 | [be] [vb pp] at time | 36 |
|
| 4 | [been] [verb] at time | 9 |
|
