| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been shown to | 10 |
|
| 2 | [pron] have be shown to | 10 |
|
| 3 | [pron] have [been] shown to | 10 |
|
| 4 | which have [be] shown to | 6 |
|
| 5 | [Wh det] have [be] shown to | 6 |
|
| 6 | which have [be] shown to | 6 |
|
