| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [adv] [conj] | 4415 |
|
| 2 | could be [verb] [adv] | 1998 |
|
| 3 | could be [verb] [conj] | 1529 |
|
| 4 | could [verb] [adv] [conj] | 674 |
|
| 5 | could be [adv] [conj] | 46 |
|
