| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be often [vb pp] at the | 14 |
|
| 2 | is often [verb] at the | 6 |
|
| 3 | was often [verb] at the | 5 |
|
| 4 | are often [verb] at the | 5 |
|
