| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [be] [verb] | 2590 |
|
| 2 | could [adv] [verb] [art] | 1905 |
|
| 3 | [adv] [be] [verb] [art] | 667 |
|
| 4 | could [adv] [be] [art] | 374 |
|
| 5 | could [be] [verb] [art] | 292 |
|
