| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [been] [vb pp] [prep] | 3671 |
|
| 2 | [vb infin] [been] [vb pp] [prep] | 3671 |
|
| 3 | [verb] [been] [vb pp] at | 1630 |
|
| 4 | [vb infin] [been] [verb] at | 172 |
|
| 5 | [vb infin] [be] [vb pp] at | 167 |
|
| 6 | [vb infin] [been] [vb pp] at | 156 |
|
