| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [verb] [conj] [verb] | 326 |
|
| 2 | [be] [verb] [conj] [verb] a | 166 |
|
| 3 | could [be] [verb] [verb] a | 86 |
|
| 4 | could [be] [verb] [conj] a | 41 |
|
| 5 | could [verb] [conj] [verb] a | 33 |
|
