| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [conj] it | 126 |
|
| 2 | [vb infin] be [conj] it | 61 |
|
| 3 | could [vb infin] be [conj] | 42 |
|
| 4 | could be [conj] it | 16 |
|
