| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [v-ing] at the [det] [noun] | 9 |
|
| 2 | were [v-ing] at the [det] [noun sg] | 9 |
|
| 3 | were [v-ing] at the [det] time | 6 |
|
| 4 | were [v-ing] at the [det] time | 6 |
|
