| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been shown to be | 176 |
|
| 2 | [verb] been shown to be | 176 |
|
| 3 | [vb -s] been shown to be | 100 |
|
| 4 | has been shown to be | 100 |
|
| 5 | [vb base] been shown to be | 62 |
|
| 6 | have been shown to be | 62 |
|
| 7 | [adv] been shown to be | 40 |
|
| 8 | [adv] been shown to be | 37 |
|
| 9 | [vb past] been shown to be | 13 |
|
| 10 | had been shown to be | 13 |
|
| 11 | previously been shown to be | 8 |
|
| 12 | previously been shown to be | 8 |
|
| 13 | also been shown to be | 7 |
|
| 14 | also been shown to be | 7 |
|
| 15 | recently been shown to be | 5 |
|
| 16 | recently been shown to be | 5 |
|
| 17 | been shown to be [adj] | 102 |
|
| 18 | been shown to be [adj] | 96 |
|
| 19 | been shown to be [adv] | 54 |
|
| 20 | been shown to be [adv] | 51 |
|
| 21 | been shown to be [art] | 30 |
|
| 22 | been shown to be [art] | 30 |
|
| 23 | been shown to be [verb] | 24 |
|
| 24 | been shown to be a | 23 |
|
| 25 | been shown to be [vb pp] | 22 |
|
| 26 | been shown to be a | 18 |
|
| 27 | been shown to be effective | 14 |
|
| 28 | been shown to be effective | 14 |
|
| 29 | been shown to be more | 6 |
|
| 30 | been shown to be more | 6 |
|
