| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] the [noun] | 4639 |
|
| 2 | introduced [prep] the [noun] | 683 |
|
| 3 | be introduced [prep] the | 132 |
|
| 4 | be introduced [prep] [noun] | 129 |
|
