| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | though it could [be] [vb pp] | 6 |
|
| 2 | though it could be [verb] | 6 |
|
| 3 | though it could [be] [verb] | 6 |
|
| 4 | though it could [be] [verb] | 6 |
|
