| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | introduce [prep] the [adj] time | 21 |
|
| 2 | introduced [prep] the [adj] time | 18 |
|
| 3 | introduce for the [adj] time | 12 |
|
| 4 | introduce [prep] the [num ord] time | 12 |
|
| 5 | introduce [prep] the first time | 12 |
|
| 6 | introduce [prep] the first time | 12 |
|
| 7 | introduce for the [adj] time | 12 |
|
| 8 | introduce at the [adj] time | 9 |
|
| 9 | introduce at the [adj] time | 9 |
|
| 10 | introduce [prep] the [det] time | 8 |
|
| 11 | introduce [prep] the same time | 8 |
|
| 12 | introduce [prep] the same time | 8 |
|
