| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [prep] a [noun] | 5328 |
|
| 2 | [vb pp] on [prep] a [noun] | 219 |
|
| 3 | is [vb pp] on [prep] a | 32 |
|
| 4 | is [vb pp] on [prep] [noun] | 29 |
|
| 5 | is on [prep] a [noun] | 6 |
|
