| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this could be [vb pp] [prep] | 181 |
|
| 2 | this could be [vb pp] [prep] | 181 |
|
| 3 | this [modal v] be [vb pp] to | 160 |
|
| 4 | [adj] could be [vb pp] to | 34 |
|
| 5 | this could [be] [vb pp] to | 11 |
|
| 6 | this could be [vb pp] to | 11 |
|
| 7 | this could [be] [vb pp] to | 11 |
|
| 8 | this could be [verb] to | 11 |
|
| 9 | this could be [vb pp] to | 11 |
|
