| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about [pron] have [vb pp] to [pron] | 11 |
|
| 2 | about what have [vb pp] to [pron] | 10 |
|
| 3 | about [pron] have happened to [pron] | 10 |
|
| 4 | about what have [vb pp] to [pron] | 10 |
|
| 5 | about [Wh det] have [vb pp] to [pron] | 10 |
|
| 6 | about [pron] have [vb pp] to [pers pn] | 9 |
|
| 7 | about [pron] had [vb pp] to [pron] | 8 |
|
