| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] to be | 152 |
|
| 2 | could be [vb pp] to be | 148 |
|
| 3 | [modal v] be shown to be | 90 |
|
| 4 | could be shown to [be] | 15 |
|
| 5 | could be shown to be | 15 |
|
| 6 | could be show to be | 15 |
|
| 7 | could be shown to be | 15 |
|
| 8 | could be shown [prep] be | 15 |
|
| 9 | could [be] shown to be | 15 |
|
| 10 | could be shown to [be] | 15 |
|
| 11 | could be shown to be | 15 |
|
| 12 | could [be] shown to be | 15 |
|
| 13 | could be shown [prep] be | 15 |
|
