| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be introduce [prep] [art] [adj] time | 9 |
|
| 2 | be introduced [prep] [art] [adj] time | 9 |
|
| 3 | be introduce [prep] the [adj] time | 9 |
|
| 4 | be introduce [prep] [art] first time | 6 |
|
| 5 | be introduce for [art] [adj] time | 6 |
|
| 6 | be introduce [prep] [art] [num ord] time | 6 |
|
| 7 | be introduce [prep] [art] first time | 6 |
|
| 8 | be introduce for [art] [adj] time | 6 |
|
