| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] at [art] [noun] | 549 |
|
| 2 | be [vb pp] at [art] expense | 89 |
|
| 3 | [be] [vb pp] at [art] expense | 89 |
|
| 4 | is [verb] at [art] expense | 13 |
|
| 5 | is [vb pp] [prep] [art] expense | 13 |
|
| 6 | is [vb pp] [prep] [art] expense | 13 |
|
| 7 | is [vb pp] at [art] expense | 11 |
|
| 8 | [is] [vb pp] at [art] expense | 11 |
|
