| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] were [v-ing] at the | 69 |
|
| 2 | [noun] [v-ing] at the time | 34 |
|
| 3 | were [v-ing] at the time | 23 |
|
| 4 | [noun] were at the time | 8 |
|
