| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have [adv] been shown to | 6 |
|
| 2 | [noun sg] have [adv] been shown to | 5 |
|
| 3 | have [adv] been shown to [be] | 9 |
|
| 4 | have [adv] been shown to be | 9 |
|
| 5 | have [adv] been shown to [be] | 9 |
|
| 6 | have [adv] been shown to be | 9 |
|
