| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have introduced a [noun sg] | 73 |
|
| 2 | has introduced a [noun] | 58 |
|
| 3 | have introduced a [noun] | 12 |
|
| 4 | have introduced a range | 12 |
|
| 5 | have introduced a range | 12 |
|
| 6 | had introduced a [noun] | 8 |
|
| 7 | have introduced a [n mass] | 8 |
|
| 8 | have introduced a number | 6 |
|
| 9 | have introduced a number | 6 |
|
| 10 | have introduced a series | 5 |
|
| 11 | have introduced a series | 5 |
|
