| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if they [vb mod] [verb] [pron] at | 5 |
|
| 2 | if they [vb mod] [verb] [pron] at | 5 |
|
| 3 | if they [vb mod] [vb infin] [pron] at | 5 |
|
