| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for the [num ord] [noun sg] | 9407 |
|
| 2 | introduce the [num ord] [noun sg] | 27 |
|
| 3 | introduce for the [num ord] | 13 |
|
| 4 | introduce for the [noun sg] | 8 |
|
