| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [modal v] [be] [verb] [prep] a | 484 |
|
| 2 | [adj] could [be] [verb] [prep] [art] | 181 |
|
| 3 | [adj] could [be] [verb] [prep] [art] | 181 |
|
| 4 | [adj] could [be] [verb] [prep] a | 82 |
|
