| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] be introduced for the [adj] | 7 |
|
| 2 | be introduced for the [adj] [noun] | 12 |
|
| 3 | be introduced for the [adj] [noun sg] | 10 |
|
| 4 | be introduced for the [adj] time | 6 |
|
| 5 | be introduced for the [adj] time | 6 |
|
