| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] on [art] grounds | 308 |
|
| 2 | [vb pp] on [art] grounds | 227 |
|
| 3 | challenged on [art] [noun] | 21 |
|
| 4 | challenged on [art] ground | 12 |
|
| 5 | challenge on [art] grounds | 5 |
|
| 6 | challenged on [art] [noun pl] | 5 |
|
| 7 | challenged [prep] [art] grounds | 5 |
|
| 8 | challenged on [art] grounds | 5 |
|
| 9 | challenged on [art] grounds | 5 |
|
| 10 | challenged [prep] [art] grounds | 5 |
|
