| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they were [verb] at the | 86 |
|
| 2 | they were [verb] at the | 84 |
|
| 3 | they were [vb pp] at the | 46 |
|
| 4 | they were [v-ing] at the | 38 |
|
| 5 | they were look at the | 12 |
|
| 6 | they were looking at the | 11 |
|
