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