| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they were [v-ing] at the | 38 |
|
| 2 | they were [v-ing] [adv] the | 33 |
|
| 3 | were [v-ing] [adv] at the | 28 |
|
| 4 | they were [adv] at the | 27 |
|
| 5 | they were [v-ing] [adv] at | 21 |
|
