| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [v-ing] at [art] [noun] [prep] | 53 |
|
| 2 | were [verb] at [art] time [prep] | 32 |
|
| 3 | be [v-ing] at [art] time [prep] | 18 |
|
| 4 | [be] [v-ing] at [art] time [prep] | 18 |
|
| 5 | [was/were] [v-ing] at [art] time [prep] | 15 |
|
| 6 | were [v-ing] [prep] [art] time [prep] | 6 |
|
| 7 | were [v-ing] at [art] time [prep] | 6 |
|
