| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [num ord] [noun sg] in | 2370 |
|
| 2 | introduce [prep] [art] [num ord] [noun sg] | 55 |
|
| 3 | introduce [prep] [art] [noun sg] in | 25 |
|
