| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] [was/were] [pron] | 4429 |
|
| 2 | [ex0] [was/were] at | 146 |
|
| 3 | [was/were] [pron] at | 134 |
|
| 4 | [ex0] [pron] at | 8 |
|
