| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [art] | 10519 |
|
| 2 | [v-ing] at [art] | 8757 |
|
| 3 | [was/were] [v-ing] at | 2698 |
|
| 4 | [was/were] at [art] | 2019 |
|
