| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if they [verb] at [det] | 21 |
|
| 2 | if they [verb] at all | 17 |
|
| 3 | if they [vb past] at [det] | 13 |
|
| 4 | if they [vb base] at [det] | 8 |
|
