| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] at the same [noun] | 21 |
|
| 2 | [was/were] [v-ing] at the [det] [noun] | 21 |
|
| 3 | [was/were] [v-ing] at the [det] [noun sg] | 20 |
|
| 4 | was [v-ing] at the [det] [noun] | 12 |
|
| 5 | [was/were] [v-ing] at the [det] time | 11 |
|
| 6 | [was/were] [v-ing] at the [det] time | 11 |
|
| 7 | were [v-ing] at the [det] [noun] | 9 |
|
