| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] are often [vb pp] at | 13 |
|
| 2 | [noun pl] are often [vb pp] at | 11 |
|
| 3 | are often [vb pp] at [art] | 8 |
|
| 4 | are often [vb pp] at [art] | 8 |
|
| 5 | are often [vb pp] at [noun] | 5 |
|
