| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [verb] [prep] | 32240 |
|
| 2 | could be [verb] [prep] | 7290 |
|
| 3 | could [adv] be [verb] | 4880 |
|
| 4 | could [adv] [verb] [prep] | 3667 |
|
| 5 | could [adv] be [prep] | 174 |
|
