| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was a [noun sg] at the | 217 |
|
| 2 | [was/were] a [noun sg] at the | 199 |
|
| 3 | [was/were] a knock at the | 33 |
|
| 4 | [was/were] an [noun sg] at the | 20 |
|
| 5 | [was/were] a tap at the | 14 |
|
| 6 | [was/were] a student at the | 7 |
|
| 7 | [was/were] a guest at the | 5 |
|
