| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [verb] a | 1920 |
|
| 2 | [modal v] [be] [verb] over | 327 |
|
| 3 | [be] [verb] over a | 119 |
|
| 4 | [modal v] [verb] over a | 6 |
|
