| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] if they [vb mod] [vb infin] | 67 |
|
| 2 | [to-vb] if they [modal v] [vb infin] | 67 |
|
| 3 | to see if they [modal v] [vb infin] | 55 |
|
| 4 | [to-vb] if they could [vb infin] | 20 |
|
| 5 | [to-vb] if they could [vb infin] | 20 |
|
| 6 | [to-vb] if they would [vb infin] | 17 |
|
| 7 | [to-vb] if they can [vb infin] | 17 |
|
| 8 | [to-vb] if they can [vb infin] | 17 |
|
| 9 | [to-vb] if they would [vb infin] | 15 |
|
| 10 | [to-vb] if they will [vb infin] | 12 |
|
| 11 | [to-vb] if they will [vb infin] | 9 |
|
| 12 | to ask if they [modal v] [vb infin] | 8 |
|
| 13 | [to-vb] if they [modal v] get | 7 |
|
