| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] to [pron] | 272 |
|
| 2 | have been introduce to [pron] | 12 |
|
| 3 | [verb] been introduce to [pron] | 12 |
|
| 4 | had been introduce [prep] [pron] | 11 |
|
| 5 | had been introduce [prep] [pron] | 11 |
|
| 6 | had [be] introduce to [pron] | 8 |
|
| 7 | had be introduce to [pron] | 8 |
|
| 8 | had been introduce to [pron] | 8 |
|
| 9 | had [been] introduce to [pron] | 8 |
|
| 10 | [vb past] been introduce to [pron] | 8 |
|
