| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | introduce for the first [noun sg] | 12 |
|
| 2 | introduce for [art] first [noun sg] | 12 |
|
| 3 | introduce for [art] first time | 12 |
|
| 4 | introduce for [art] first [noun sg] | 12 |
|
| 5 | introduce for the first [noun sg] | 12 |
|
| 6 | introduced for [art] first [noun sg] | 10 |
|
