| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [adv] [pers pn] have [to-vb] [prep] | 7 |
|
| 2 | how [adv] [pron] have [to-vb] [prep] | 7 |
|
| 3 | [Wh adv] [adv] [pron] have [to-vb] [prep] | 7 |
|
