| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] only [prep] | 601 |
|
| 2 | [was/were] [prep] an | 591 |
|
| 3 | only [prep] an | 248 |
|
| 4 | [was/were] only an | 60 |
|
