| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [to-vb] [noun pl] at | 24 |
|
| 2 | is [to-vb] [noun pl] at | 11 |
|
| 3 | [is] [to-vb] [noun pl] at | 11 |
|
| 4 | [was/were] [to-vb] [noun pl] at | 8 |
|
| 5 | was [to-vb] [noun pl] at | 5 |
|
