| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at [art] [adj] time | 999 |
|
| 2 | introduce at [art] [adj] [noun] | 26 |
|
| 3 | introduce at [art] [adj] [noun sg] | 24 |
|
| 4 | introduce [prep] [art] [adj] time | 21 |
|
| 5 | introduce [prep] [art] [adj] time | 21 |
|
| 6 | introduce at [art] [adj] time | 9 |
|
| 7 | introduce at [art] [adj] time | 9 |
|
