| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [vb pp] at | 156 |
|
| 2 | [been] [vb pp] at a | 124 |
|
| 3 | have [been] [vb pp] a | 84 |
|
| 4 | have [vb pp] at a | 54 |
|
| 5 | have [been] at a | 8 |
|
