| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] if [indef pn] [vb mod] [verb] | 9 |
|
| 2 | [to-vb] if [indef pn] [modal v] [vb infin] | 9 |
|
| 3 | to see if [indef pn] [modal v] [verb] | 7 |
|
| 4 | [to-vb] if anyone [modal v] [verb] | 5 |
|
