| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could be [vb pp] [conj] | 417 |
|
| 2 | it could also be [vb pp] | 46 |
|
| 3 | could also be [vb pp] [conj] | 31 |
|
| 4 | it could also be [conj] | 7 |
|
