| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [pron] [verb] | 1450 |
|
| 2 | it could be [verb] | 1295 |
|
| 3 | it could be [pron] | 135 |
|
| 4 | could be [pron] [verb] | 28 |
|
| 5 | it could [pron] [verb] | 7 |
|
