| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [verb] been introduced to | 16 |
|
| 2 | [pers pn] have be introduced to | 16 |
|
| 3 | [pers pn] [vb past] be introduced to | 10 |
|
| 4 | [pers pn] had be introduced to | 8 |
|
| 5 | she [verb] be introduced to | 6 |
|
| 6 | [pers pn] [vb base] be introduced to | 6 |
|
