| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] at [art] [adj] | 15897 |
|
| 2 | [noun] introduce [art] [adj] | 290 |
|
| 3 | introduce at [art] [adj] | 28 |
|
| 4 | [noun] introduce at [art] | 15 |
|
