| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [be] a [adj] | 2734 |
|
| 2 | could [be] a [adj] | 510 |
|
| 3 | could [adv] [be] [adj] | 424 |
|
| 4 | could [adv] [be] a | 227 |
|
