| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] introduce the | 107 |
|
| 2 | [prep] introducing the | 106 |
|
| 3 | of introduce the | 27 |
|
| 4 | by introduce the | 23 |
|
| 5 | in introduce the | 22 |
|
| 6 | for introduce the | 15 |
|
