| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be introduced for the [adj] | 15 |
|
| 2 | [be] introduced for the [adj] | 15 |
|
| 3 | [was/were] introduced for the [adj] | 7 |
|
| 4 | was introduced for the [adj] | 7 |
|
| 5 | introduced for the [adj] [noun] | 17 |
|
| 6 | introduced for the [adj] [noun sg] | 15 |
|
| 7 | introduced for the [adj] time | 10 |
|
| 8 | introduced for the [adj] time | 10 |
|
