| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [v-ing] at [art] time | 47 |
|
| 2 | was [v-ing] at the time | 43 |
|
| 3 | was [v-ing] at the time | 43 |
|
| 4 | was working at [art] time | 6 |
|
| 5 | was happening at [art] time | 6 |
|
