| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which may be [verb] at | 11 |
|
| 2 | which may be [vb pp] at | 9 |
|
| 3 | which may be [adj] at | 7 |
|
| 4 | which may be [adj] at | 7 |
|
| 5 | which may be at [noun] | 5 |
|
