| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be introduce at [art] [adj] [noun sg] | 12 |
|
| 2 | [be] introduce at [art] [adj] [noun sg] | 12 |
|
| 3 | [noun] introduce at [art] [adj] [noun sg] | 6 |
|
| 4 | [was/were] introduce at [art] [adj] [noun sg] | 5 |
|
