| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] on a [noun] [prep] | 320 |
|
| 2 | [was/were] on a [noun] [prep] | 104 |
|
| 3 | [was/were] [adv prt] on a [noun] | 17 |
|
| 4 | [was/were] [adv prt] on [noun] [prep] | 12 |
|
