| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [to-vb] been [verb] at | 5 |
|
| 2 | [noun sg] [to-vb] [been] [vb pp] at | 5 |
|
| 3 | [noun sg] to have [been] [verb] at | 5 |
|
