| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [adj] [conj] it [verb] | 11 |
|
| 2 | could be [adj] [conj] it [verb] | 11 |
|
| 3 | could [be] [adj] [subord] it [verb] | 10 |
|
| 4 | could [be] [adj] [conj] it [vb past] | 7 |
|
