| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] at [art] [adj] | 383 |
|
| 2 | introduce at [art] [adj] | 28 |
|
| 3 | [was/were] introduce at [art] | 17 |
|
| 4 | [was/were] introduce [art] [adj] | 8 |
|
| 5 | [was/were] introduce at [adj] | 5 |
|
