| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [prep] [pron] [prep] | 258 |
|
| 2 | [was/were] [prep] [pron] [prep] | 258 |
|
| 3 | [be] [prep] [pron] at | 95 |
|
| 4 | [was/were] [prep] [pron] at | 28 |
|
