| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [verb] | 40418 |
|
| 2 | been [verb] at | 2439 |
|
| 3 | [vb -s] [verb] at | 992 |
|
| 4 | [vb -s] been at | 231 |
|
