| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | introduced for the first [noun sg] | 10 |
|
| 2 | introduced for the first [noun] | 10 |
|
| 3 | introduced for the first [noun] | 10 |
|
| 4 | introduced for the first time | 10 |
|
| 5 | introduced for the first time | 10 |
|
