| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] on [prep] a [noun sg] | 16 |
|
| 2 | is [vb pp] on [prep] a [noun sg] | 15 |
|
| 3 | is [vb pp] on to a [noun sg] | 8 |
|
| 4 | is [vb pp] on to a [noun sg] | 8 |
|
