| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] a [noun sg] | 32340 |
|
| 2 | on a [noun sg] | 21593 |
|
| 3 | [was/were] on [noun sg] | 1374 |
|
| 4 | [was/were] on a | 607 |
|
