| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] [noun] when [adj] | 147 |
|
| 2 | [art] [noun] when [adj] [noun pl] | 144 |
|
| 3 | at [art] [noun] when [noun pl] | 107 |
|
| 4 | at [art] [noun] [adj] [noun pl] | 69 |
|
