| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] on a | 974 |
|
| 2 | [conj] [was/were] a | 651 |
|
| 3 | [was/were] on a | 607 |
|
| 4 | [conj] [was/were] on | 224 |
|
