| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could [adv] be [vb pp] | 415 |
|
| 2 | it could be [vb pp] [that] | 368 |
|
| 3 | could [adv] be [vb pp] [that] | 86 |
|
| 4 | it could [adv] be [that] | 47 |
|
| 5 | it [adv] be [vb pp] [that] | 14 |
|
