| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] an [noun sg] | 616 |
|
| 2 | [was/were] [verb] at [noun sg] | 593 |
|
| 3 | [verb] at an [noun sg] | 368 |
|
| 4 | [was/were] [verb] at an | 119 |
|
| 5 | [was/were] at an [noun sg] | 55 |
|
