| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] [prep] [adj] | 656 |
|
| 2 | be [verb] [prep] [be] [adj] | 500 |
|
| 3 | could be [verb] [prep] [be] | 170 |
|
| 4 | could [verb] [prep] [be] [adj] | 34 |
|
