| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb base] [been] [verb] to | 37 |
|
| 2 | who [verb] [been] expose to | 11 |
|
| 3 | [pron] [vb base] [been] expose to | 11 |
|
| 4 | who [vb base] [been] expose [prep] | 5 |
|
| 5 | who [vb base] [be] expose to | 5 |
|
