| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [be] [verb] [prep] a | 2228 |
|
| 2 | could [be] [verb] [prep] a | 971 |
|
| 3 | [noun prp] could [be] [verb] [prep] | 192 |
|
| 4 | [noun prp] could [verb] [prep] a | 39 |
|
| 5 | [noun prp] could [be] [verb] a | 12 |
|
