| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a [adj] [noun] | 159339 |
|
| 2 | introduced a [adj] [noun] | 107 |
|
| 3 | [verb] introduced a [adj] | 95 |
|
| 4 | [verb] introduced a [noun] | 84 |
|
| 5 | [verb] introduced [adj] [noun] | 64 |
|
