| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | introduce [prep] [art] [adj] time | 21 |
|
| 2 | introduce [prep] [art] [num ord] time | 12 |
|
| 3 | introduce [prep] [art] first time | 12 |
|
| 4 | introduce [prep] [art] first time | 12 |
|
| 5 | introduce [prep] [art] same time | 8 |
|
| 6 | introduce [prep] [art] [det] time | 8 |
|
| 7 | introduce [prep] [art] same time | 8 |
|
