| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at the same time | 365 |
|
| 2 | [v-ing] at the same time | 140 |
|
| 3 | [v-ing] [adv] at the time | 34 |
|
| 4 | [v-ing] [adv] at the same | 20 |
|
