| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] at [art] [adj] [noun sg] | 1949 |
|
| 2 | [noun] introduce [prep] [art] [adj] [noun sg] | 78 |
|
| 3 | [noun] introduce [prep] [art] [adj] [noun sg] | 78 |
|
| 4 | [noun] introduce at [art] [adj] [noun sg] | 6 |
|
| 5 | [noun] introduce at [art] [adj] [noun] | 6 |
|
