| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [verb] [prep] an | 192 |
|
| 2 | could [be] [verb] [prep] an | 192 |
|
| 3 | could [be] [verb] for [art] | 154 |
|
| 4 | could [be] [verb] for [art] | 154 |
|
| 5 | could [be] [verb] for a | 63 |
|
| 6 | [vb mod] [be] [verb] for an | 58 |
|
| 7 | [modal v] [be] [verb] for an | 58 |
|
| 8 | could [be] [verb] for an | 6 |
|
| 9 | could [be] [verb] for an | 6 |
|
