| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [v-ing] [prep] a | 668 |
|
| 2 | were [v-ing] [prep] a | 667 |
|
| 3 | [be] [v-ing] at a | 476 |
|
| 4 | be [v-ing] at a | 476 |
|
| 5 | were [v-ing] at [art] | 244 |
|
| 6 | were [v-ing] at [art] | 244 |
|
| 7 | were [verb] at a | 222 |
|
| 8 | [was/were] [v-ing] at a | 177 |
|
| 9 | were [v-ing] at a | 51 |
|
| 10 | were [v-ing] at a | 41 |
|
