| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about what [vb mod] [verb] to | 19 |
|
| 2 | about [Wh det] [vb mod] [verb] to | 19 |
|
| 3 | about [Wh det] [vb mod] [vb infin] to | 19 |
|
| 4 | about [Wh det] [vb mod] happen to | 18 |
|
| 5 | about [Wh det] [vb mod] happen to | 18 |
|
| 6 | about [Wh det] would [verb] to | 9 |
|
| 7 | about [Wh det] will [verb] to | 6 |
|
