| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] [adj] [noun] | 40733 |
|
| 2 | introduce [art] [adj] [noun] | 1082 |
|
| 3 | introduce at [art] [noun] | 49 |
|
| 4 | introduce at [art] [adj] | 28 |
|
| 5 | introduce at [adj] [noun] | 20 |
|
