| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [adv] [vb pp] on | 659 |
|
| 2 | was [vb pp] on a | 612 |
|
| 3 | [adv] [vb pp] on a | 543 |
|
| 4 | was [adv] [vb pp] a | 200 |
|
| 5 | was [adv] on a | 39 |
|
