| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] [prep] [adj] | 656 |
|
| 2 | [noun prp] could be [verb] [prep] | 192 |
|
| 3 | [noun prp] could [verb] [prep] [adj] | 24 |
|
| 4 | [noun prp] could be [verb] [adj] | 5 |
|
