| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as it could [vb infin] [be] | 8 |
|
| 2 | as it could [verb] [be] | 8 |
|
| 3 | as it could [verb] be | 8 |
|
| 4 | as it could have [be] | 7 |
|
| 5 | as it could have [be] | 7 |
|
| 6 | as it could [verb] been | 7 |
|
| 7 | as it could [verb] [been] | 7 |
|
