| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they were [v-ing] [adv prt] at [art] | 8 |
|
| 2 | they [was/were] [v-ing] [adv prt] at [art] | 7 |
|
| 3 | they [was/were] [v-ing] [adv prt] at the | 5 |
|
