| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this could be [adj] | 89 |
|
| 2 | this [vb mod] be [det] | 59 |
|
| 3 | this [modal v] be [det] | 59 |
|
| 4 | [adj] could be [det] | 15 |
|
| 5 | this could [be] [det] | 5 |
|
| 6 | this could be [det] | 5 |
|
