| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] at the [noun sg] | 549 |
|
| 2 | [conj] [v-ing] at the [noun sg] | 268 |
|
| 3 | [conj] [was/were] [v-ing] the [noun sg] | 104 |
|
| 4 | [conj] [was/were] at the [noun sg] | 33 |
|
| 5 | [conj] [was/were] [v-ing] at the | 27 |
|
