| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] at the | 816 |
|
| 2 | [v-ing] at the same | 248 |
|
| 3 | [was/were] [v-ing] the same | 96 |
|
| 4 | [was/were] at the same | 57 |
|
