| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [to-vb] at [noun prp] | 18 |
|
| 2 | is [to-vb] at [noun prp] | 6 |
|
| 3 | are [to-vb] at [noun prp] | 6 |
|
| 4 | were [to-vb] at [noun prp] | 6 |
|
