| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [conj] it could [vb infin] [art] | 7 |
|
| 2 | [vb pp] [conj] it could [verb] [art] | 7 |
|
| 3 | [vb pp] [conj] it could [verb] [art] | 7 |
|
