| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] could [verb] [be] [verb] [prep] | 36 |
|
| 2 | [adj] [modal v] [verb] [be] achieve [prep] | 8 |
|
| 3 | [adj] could [verb] [be] achieve [prep] | 5 |
|
