| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has introduced a [noun] | 64 |
|
| 2 | has introduce a [noun] | 59 |
|
| 3 | has introduce a [noun sg] | 55 |
|
| 4 | has introduce a range | 11 |
|
| 5 | has introduce a range | 11 |
|
| 6 | has introduce an [noun] | 6 |
|
| 7 | has introduce a [n mass] | 5 |
|
