| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they were [verb] [adv prt] at the | 9 |
|
| 2 | [pers pn] were [v-ing] [adv prt] at the | 8 |
|
| 3 | [pers pn] were [vb pp] [adv prt] at the | 6 |
|
