| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at the same time | 140 |
|
| 2 | [is] at the same time | 48 |
|
| 3 | [is] [v-ing] at the same | 7 |
|
| 4 | [is] [v-ing] at the time | 5 |
|
