| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has introduced [art] [adj] [adj] [noun] | 8 |
|
| 2 | has introduce [art] [adj] [adj] [noun] | 8 |
|
| 3 | has introduce [art] [adj] [adj] [noun sg] | 8 |
|
| 4 | has introduce a [adj] [adj] [noun] | 7 |
|
| 5 | has introduce a [adj] [adj] [noun] | 5 |
|
