| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [adv] [adj] [conj] | 1385 |
|
| 2 | could be [adv] [adj] [conj] | 336 |
|
| 3 | could [adv] be [adv] [adj] | 278 |
|
| 4 | could [adv] be [adj] [conj] | 139 |
|
| 5 | could [adv] be [adv] [conj] | 18 |
|
