| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [prep] [adj] | 174 |
|
| 2 | [vb mod] be for [adj] | 153 |
|
| 3 | [modal v] be for [adj] | 153 |
|
| 4 | could be for [adj] | 11 |
|
| 5 | could [be] for [adj] | 11 |
|
