| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [v-ing] at the [noun sg] in | 11 |
|
| 2 | was [vb pp] at the [noun sg] in | 10 |
|
| 3 | was sit at the [noun sg] in | 5 |
|
| 4 | was sitting at the [noun sg] in | 5 |
|
