| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adv prt] at the | 885 |
|
| 2 | were [v-ing] at the | 192 |
|
| 3 | were [v-ing] [adv prt] the | 116 |
|
| 4 | were [v-ing] [adv prt] at | 58 |
|
| 5 | were [adv prt] at the | 25 |
|
