| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] shown to have [art] | 7 |
|
| 2 | have [been] shown have [art] | 7 |
|
| 3 | have been shown have [art] | 7 |
|
| 4 | have [been] shown have a | 7 |
|
