| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be said [to-vb] [verb] [prep] | 5 |
|
| 2 | could be said to have [verb] [prep] | 5 |
|
| 3 | could be said [verb] [vb pp] [prep] | 5 |
|
| 4 | could be said have [verb] [prep] | 5 |
|
