| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] to be [adv] [vb pp] | 274 |
|
| 2 | [be] shown to be [adv] | 108 |
|
| 3 | [be] shown to be [vb pp] | 53 |
|
| 4 | shown to be [adv] [vb pp] | 15 |
|
