| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be shown to be [adj] | 30 |
|
| 2 | have been shown [prep] be [adj] | 30 |
|
| 3 | have be shown to be [adj] | 30 |
|
| 4 | have be shown [prep] be [adj] | 30 |
|
