| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] on [Wh det] [vb mod] [vb infin] | 7 |
|
| 2 | [to-vb] on what [vb mod] [vb infin] | 6 |
|
| 3 | [to-vb] on what [vb mod] [vb infin] | 6 |
|
| 4 | [to-vb] on [pron] [vb mod] have | 5 |
|
| 5 | [to-vb] on [pron] might [vb infin] | 5 |
|
