| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] [adv] | 1149 |
|
| 2 | could be [verb] [to-vb] | 1131 |
|
| 3 | be [verb] [adv] [to-vb] | 522 |
|
| 4 | could [verb] [adv] [to-vb] | 50 |
|
| 5 | could be [adv] [to-vb] | 6 |
|
