| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [was/were] [verb] at | 80 |
|
| 2 | [prep] we [was/were] [verb] [prep] | 38 |
|
| 3 | [prep] we [be] [verb] at | 9 |
|
| 4 | [prep] we [was/were] [verb] at | 5 |
|
