| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] introduced [adv] [that] | 10 |
|
| 2 | be introduced [adv] [that] | 10 |
|
| 3 | been introduced [adv] [that] | 5 |
|
| 4 | [been] introduced [adv] [that] | 5 |
|
