| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] on the [noun] | 85 |
|
| 2 | [modal v] be [verb] on the grounds | 44 |
|
| 3 | could be [verb] on the [noun pl] | 22 |
|
| 4 | could be [verb] on the ground | 9 |
|
| 5 | could be [verb] on the grounds | 7 |
|
| 6 | could [be] [verb] on the grounds | 7 |
|
| 7 | could [be] [verb] on the grounds | 7 |
|
| 8 | could be [verb] on the grounds | 7 |
|
| 9 | could be [verb] on [art] grounds | 7 |
|
| 10 | could be [verb] on [art] grounds | 7 |
|
| 11 | could be [verb] [prep] the grounds | 7 |
|
