| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [vb pp] [prep] be [adv] | 29 |
|
| 2 | could be [verb] to be [adv] | 29 |
|
| 3 | could be [verb] [prep] be [adv] | 26 |
|
| 4 | could be say [prep] be [adv] | 9 |
|
| 5 | could be said [prep] be [adv] | 9 |
|
| 6 | could be shown [prep] be [adv] | 7 |
|
| 7 | could be show [prep] be [adv] | 7 |
|
