| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] to be [verb] | 41 |
|
| 2 | could be [verb] [prep] be [verb] | 41 |
|
| 3 | could be [verb] to be [verb] | 41 |
|
| 4 | could be [vb pp] [prep] be [verb] | 40 |
|
| 5 | could be [verb] [prep] be [vb pp] | 26 |
|
| 6 | could be said [prep] be [verb] | 16 |
|
| 7 | could be say [prep] be [verb] | 16 |
|
| 8 | could be [verb] [prep] be [v-ing] | 15 |
|
| 9 | could be expected [prep] be [verb] | 6 |
|
| 10 | could be expect [prep] be [verb] | 6 |
|
| 11 | could be see [prep] be [verb] | 5 |
|
| 12 | could be seen [prep] be [verb] | 5 |
|
