| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [vb past] [been] [verb] to | 303 |
|
| 2 | [noun] [vb past] [been] expose to | 15 |
|
| 3 | [noun pl] [verb] [been] expose to | 14 |
|
| 4 | [noun pl] [vb past] [be] expose to | 10 |
|
| 5 | [noun pl] [vb past] [been] expose [prep] | 10 |
|
