| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the [num ord] [noun] | 60177 |
|
| 2 | introduce [prep] the [noun] | 727 |
|
| 3 | introduce [prep] the [num ord] | 72 |
|
| 4 | introduce the [num ord] [noun] | 30 |
|
| 5 | introduce [prep] [num ord] [noun] | 8 |
|
