| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at the same time | 140 |
|
| 2 | were [v-ing] at the time | 22 |
|
| 3 | were [v-ing] at the same | 9 |
|
| 4 | were at the same time | 6 |
|
