| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] they [was/were] [verb] at the | 23 |
|
| 2 | [subord] they were [verb] at the | 23 |
|
| 3 | [subord] they [was/were] [v-ing] at the | 13 |
|
| 4 | [subord] they [was/were] [vb pp] at the | 10 |
|
| 5 | as they [was/were] [verb] at the | 8 |
|
| 6 | [subord] they [was/were] looking at the | 7 |
|
| 7 | [subord] they [was/were] look at the | 7 |
|
