| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] same [noun] | 7935 |
|
| 2 | at [art] same [noun sg] | 7873 |
|
| 3 | [prep] [art] same period | 721 |
|
| 4 | at [art] [adj] period | 50 |
|
| 5 | at [art] [det] period | 13 |
|
| 6 | at [art] same period | 13 |
|
| 7 | at [art] same period | 13 |
|
