| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [pron] a | 660 |
|
| 2 | only [was/were] [pron] | 170 |
|
| 3 | only [pron] a | 10 |
|
| 4 | only [was/were] a | 5 |
|
