| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were doing at [art] time | 6 |
|
| 2 | were doing at [art] time | 6 |
|
| 3 | were doing [prep] [art] time | 6 |
|
| 4 | were doing [prep] the time | 6 |
|
