| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] [art] [num ord] [noun] [prep] | 3690 |
|
| 2 | introduce [prep] [art] [adj] [noun] [prep] | 127 |
|
| 3 | introduce [prep] [art] [num ord] [noun] [prep] | 19 |
|
