| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [verb] at [art] time | 94 |
|
| 2 | were [v-ing] at [art] time | 25 |
|
| 3 | [be] doing at [art] time | 11 |
|
| 4 | be doing at [art] time | 11 |
|
| 5 | [was/were] doing at [art] time | 8 |
|
| 6 | were doing at [art] [noun] | 7 |
|
| 7 | were doing [prep] [art] time | 6 |
|
| 8 | were doing at [art] time | 6 |
|
| 9 | were doing at [art] time | 6 |
|
| 10 | were doing [prep] [art] time | 6 |
|
| 11 | were do at [art] time | 6 |
|
