| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be introduced [prep] the [noun] | 421 |
|
| 2 | be [prep] the first [noun] | 287 |
|
| 3 | introduced [prep] the first [noun] | 20 |
|
| 4 | be introduced [prep] the first | 14 |
|
