| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] an [noun sg] | 7755 |
|
| 2 | [vb pp] on [prep] [noun sg] | 405 |
|
| 3 | on [prep] an [noun sg] | 92 |
|
| 4 | [vb pp] on [prep] an | 50 |
|
