| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been expose to [adj] | 27 |
|
| 2 | have [been] exposed to [adj] | 27 |
|
| 3 | have [been] expose to [adj] | 19 |
|
| 4 | had [been] expose to [adj] | 14 |
|
| 5 | have [been] expose to [det] | 6 |
|
| 6 | have [been] expose to [adj] | 5 |
|
