| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] if they [vb mod] [vb infin] | 40 |
|
| 2 | asked if they [vb mod] [vb infin] | 26 |
|
| 3 | [vb past] if they could [vb infin] | 18 |
|
| 4 | [vb past] if they would [vb infin] | 11 |
|
| 5 | wondered if they [vb mod] [vb infin] | 10 |
|
| 6 | [vb past] if they [vb mod] have | 6 |
|
| 7 | [vb past] if they might [vb infin] | 5 |
|
