| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] be [vb pp] [conj] | 522 |
|
| 2 | it could be [vb pp] [conj] | 417 |
|
| 3 | it could [adv] be [vb pp] | 415 |
|
| 4 | it could [adv] be [conj] | 56 |
|
| 5 | it [adv] be [vb pp] [conj] | 16 |
|
